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Finding the Fourth Proportional to 649,266.30, 973,899.45 and 350,330.74

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Solution

The fourth proportional to 649,266.30, 973,899.45 and 350,330.74 is: 525,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,266.30 : 973,899.45 = 350,330.74 : x
  2. Step 2: Convert to fraction form
    649,266.30/973,899.45 = 350,330.74/x
  3. Step 3: Cross multiply
    649,266.30x = 973,899.45 × 350,330.74
  4. Step 4: Simplify right side
    649,266.30x = 341,186,912,569.34
  5. Step 5: Solve for x
    x = 341,186,912,569.34/649,266.30
  6. Step 6: Final answer
    x = 525,496.11

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Double scale
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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.