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Finding the Fourth Proportional to 534,036.92, 736,970.82 and 292,319.96

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Solution

The fourth proportional to 534,036.92, 736,970.82 and 292,319.96 is: 403,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,036.92 : 736,970.82 = 292,319.96 : x
  2. Step 2: Convert to fraction form
    534,036.92/736,970.82 = 292,319.96/x
  3. Step 3: Cross multiply
    534,036.92x = 736,970.82 × 292,319.96
  4. Step 4: Simplify right side
    534,036.92x = 215,431,280,623.57
  5. Step 5: Solve for x
    x = 215,431,280,623.57/534,036.92
  6. Step 6: Final answer
    x = 403,401.47

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1.5x scale

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.