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Finding the Fourth Proportional to 506,743.60, 760,139.88 and 132,766.96

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Solution

The fourth proportional to 506,743.60, 760,139.88 and 132,766.96 is: 199,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,743.60 : 760,139.88 = 132,766.96 : x
  2. Step 2: Convert to fraction form
    506,743.60/760,139.88 = 132,766.96/x
  3. Step 3: Cross multiply
    506,743.60x = 760,139.88 × 132,766.96
  4. Step 4: Simplify right side
    506,743.60x = 100,921,461,042.37
  5. Step 5: Solve for x
    x = 100,921,461,042.37/506,743.60
  6. Step 6: Final answer
    x = 199,156.85

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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.