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Finding the Fourth Proportional to 457,264.59, 631,024.99 and 253,328.77

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Solution

The fourth proportional to 457,264.59, 631,024.99 and 253,328.77 is: 349,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,264.59 : 631,024.99 = 253,328.77 : x
  2. Step 2: Convert to fraction form
    457,264.59/631,024.99 = 253,328.77/x
  3. Step 3: Cross multiply
    457,264.59x = 631,024.99 × 253,328.77
  4. Step 4: Simplify right side
    457,264.59x = 159,856,784,555.96
  5. Step 5: Solve for x
    x = 159,856,784,555.96/457,264.59
  6. Step 6: Final answer
    x = 349,593.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.