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Finding the Fourth Proportional to 534,036.92, 736,970.40 and 292,317.32

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Solution

The fourth proportional to 534,036.92, 736,970.40 and 292,317.32 is: 403,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,036.92 : 736,970.40 = 292,317.32 : x
  2. Step 2: Convert to fraction form
    534,036.92/736,970.40 = 292,317.32/x
  3. Step 3: Cross multiply
    534,036.92x = 736,970.40 × 292,317.32
  4. Step 4: Simplify right side
    534,036.92x = 215,429,214,089.75
  5. Step 5: Solve for x
    x = 215,429,214,089.75/534,036.92
  6. Step 6: Final answer
    x = 403,397.61

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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.