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Finding the Fourth Proportional to 534,684.96, 737,856.40 and 292,965.28

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Solution

The fourth proportional to 534,684.96, 737,856.40 and 292,965.28 is: 404,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,684.96 : 737,856.40 = 292,965.28 : x
  2. Step 2: Convert to fraction form
    534,684.96/737,856.40 = 292,965.28/x
  3. Step 3: Cross multiply
    534,684.96x = 737,856.40 × 292,965.28
  4. Step 4: Simplify right side
    534,684.96x = 216,166,306,825.79
  5. Step 5: Solve for x
    x = 216,166,306,825.79/534,684.96
  6. Step 6: Final answer
    x = 404,287.24

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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.