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Finding the Fourth Proportional to 532,374.72, 735,008.72 and 338,891.64

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Solution

The fourth proportional to 532,374.72, 735,008.72 and 338,891.64 is: 467,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,374.72 : 735,008.72 = 338,891.64 : x
  2. Step 2: Convert to fraction form
    532,374.72/735,008.72 = 338,891.64/x
  3. Step 3: Cross multiply
    532,374.72x = 735,008.72 × 338,891.64
  4. Step 4: Simplify right side
    532,374.72x = 249,088,310,535.10
  5. Step 5: Solve for x
    x = 249,088,310,535.10/532,374.72
  6. Step 6: Final answer
    x = 467,881.55

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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.