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Finding the Fourth Proportional to 437,527.52, 656,293.98 and 121,987.16

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Solution

The fourth proportional to 437,527.52, 656,293.98 and 121,987.16 is: 182,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,527.52 : 656,293.98 = 121,987.16 : x
  2. Step 2: Convert to fraction form
    437,527.52/656,293.98 = 121,987.16/x
  3. Step 3: Cross multiply
    437,527.52x = 656,293.98 × 121,987.16
  4. Step 4: Simplify right side
    437,527.52x = 80,059,438,745.30
  5. Step 5: Solve for x
    x = 80,059,438,745.30/437,527.52
  6. Step 6: Final answer
    x = 182,981.49

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1.5x scale

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.