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Finding the Fourth Proportional to 437,514.32, 656,308.53 and 121,971.53

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Solution

The fourth proportional to 437,514.32, 656,308.53 and 121,971.53 is: 182,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,514.32 : 656,308.53 = 121,971.53 : x
  2. Step 2: Convert to fraction form
    437,514.32/656,308.53 = 121,971.53/x
  3. Step 3: Cross multiply
    437,514.32x = 656,308.53 × 121,971.53
  4. Step 4: Simplify right side
    437,514.32x = 80,050,952,274.61
  5. Step 5: Solve for x
    x = 80,050,952,274.61/437,514.32
  6. Step 6: Final answer
    x = 182,967.62

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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.