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Finding the Fourth Proportional to 589,041.40, 883,562.10 and 402,417.40

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Solution

The fourth proportional to 589,041.40, 883,562.10 and 402,417.40 is: 603,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,041.40 : 883,562.10 = 402,417.40 : x
  2. Step 2: Convert to fraction form
    589,041.40/883,562.10 = 402,417.40/x
  3. Step 3: Cross multiply
    589,041.40x = 883,562.10 × 402,417.40
  4. Step 4: Simplify right side
    589,041.40x = 355,560,763,020.54
  5. Step 5: Solve for x
    x = 355,560,763,020.54/589,041.40
  6. Step 6: Final answer
    x = 603,626.10

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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.