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Finding the Fourth Proportional to 457,263.59, 631,023.62 and 253,327.77

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Solution

The fourth proportional to 457,263.59, 631,023.62 and 253,327.77 is: 349,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,263.59 : 631,023.62 = 253,327.77 : x
  2. Step 2: Convert to fraction form
    457,263.59/631,023.62 = 253,327.77/x
  3. Step 3: Cross multiply
    457,263.59x = 631,023.62 × 253,327.77
  4. Step 4: Simplify right side
    457,263.59x = 159,855,805,205.29
  5. Step 5: Solve for x
    x = 159,855,805,205.29/457,263.59
  6. Step 6: Final answer
    x = 349,592.25

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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.