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Finding the Fourth Proportional to 329,125.86, 493,688.79 and 92,470.59

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Solution

The fourth proportional to 329,125.86, 493,688.79 and 92,470.59 is: 138,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,125.86 : 493,688.79 = 92,470.59 : x
  2. Step 2: Convert to fraction form
    329,125.86/493,688.79 = 92,470.59/x
  3. Step 3: Cross multiply
    329,125.86x = 493,688.79 × 92,470.59
  4. Step 4: Simplify right side
    329,125.86x = 45,651,693,687.69
  5. Step 5: Solve for x
    x = 45,651,693,687.69/329,125.86
  6. Step 6: Final answer
    x = 138,705.89

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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.