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Finding the Fourth Proportional to 637,487.28, 956,931.48 and 357,240.24

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Solution

The fourth proportional to 637,487.28, 956,931.48 and 357,240.24 is: 536,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,487.28 : 956,931.48 = 357,240.24 : x
  2. Step 2: Convert to fraction form
    637,487.28/956,931.48 = 357,240.24/x
  3. Step 3: Cross multiply
    637,487.28x = 956,931.48 × 357,240.24
  4. Step 4: Simplify right side
    637,487.28x = 341,854,431,578.76
  5. Step 5: Solve for x
    x = 341,854,431,578.76/637,487.28
  6. Step 6: Final answer
    x = 536,252.95

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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.