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Finding the Fourth Proportional to 603,019.20, 904,528.80 and 247,915.20

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Solution

The fourth proportional to 603,019.20, 904,528.80 and 247,915.20 is: 371,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,019.20 : 904,528.80 = 247,915.20 : x
  2. Step 2: Convert to fraction form
    603,019.20/904,528.80 = 247,915.20/x
  3. Step 3: Cross multiply
    603,019.20x = 904,528.80 × 247,915.20
  4. Step 4: Simplify right side
    603,019.20x = 224,246,438,357.76
  5. Step 5: Solve for x
    x = 224,246,438,357.76/603,019.20
  6. Step 6: Final answer
    x = 371,872.80

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Similar ratio
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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.