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Finding the Fourth Proportional to 459,153.40, 688,730.10 and 332,526.10

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Solution

The fourth proportional to 459,153.40, 688,730.10 and 332,526.10 is: 498,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,153.40 : 688,730.10 = 332,526.10 : x
  2. Step 2: Convert to fraction form
    459,153.40/688,730.10 = 332,526.10/x
  3. Step 3: Cross multiply
    459,153.40x = 688,730.10 × 332,526.10
  4. Step 4: Simplify right side
    459,153.40x = 229,020,734,105.61
  5. Step 5: Solve for x
    x = 229,020,734,105.61/459,153.40
  6. Step 6: Final answer
    x = 498,789.15

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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.