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Finding the Fourth Proportional to 292,331.52, 438,488.64 and 252,773.28

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Solution

The fourth proportional to 292,331.52, 438,488.64 and 252,773.28 is: 379,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,331.52 : 438,488.64 = 252,773.28 : x
  2. Step 2: Convert to fraction form
    292,331.52/438,488.64 = 252,773.28/x
  3. Step 3: Cross multiply
    292,331.52x = 438,488.64 × 252,773.28
  4. Step 4: Simplify right side
    292,331.52x = 110,838,211,775.54
  5. Step 5: Solve for x
    x = 110,838,211,775.54/292,331.52
  6. Step 6: Final answer
    x = 379,152.45

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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.