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Finding the Fourth Proportional to 649,506.30, 974,259.45 and 369,570.30

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Solution

The fourth proportional to 649,506.30, 974,259.45 and 369,570.30 is: 554,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,506.30 : 974,259.45 = 369,570.30 : x
  2. Step 2: Convert to fraction form
    649,506.30/974,259.45 = 369,570.30/x
  3. Step 3: Cross multiply
    649,506.30x = 974,259.45 × 369,570.30
  4. Step 4: Simplify right side
    649,506.30x = 360,057,357,214.34
  5. Step 5: Solve for x
    x = 360,057,357,214.34/649,506.30
  6. Step 6: Final answer
    x = 554,355.45

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Half scale
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Double scale
Find fourth proportional to 649,507.30, 974,260.95 and 369,571.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.