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Finding the Fourth Proportional to 707,687.38, 976,649.60 and 532,944.66

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Solution

The fourth proportional to 707,687.38, 976,649.60 and 532,944.66 is: 735,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,687.38 : 976,649.60 = 532,944.66 : x
  2. Step 2: Convert to fraction form
    707,687.38/976,649.60 = 532,944.66/x
  3. Step 3: Cross multiply
    707,687.38x = 976,649.60 × 532,944.66
  4. Step 4: Simplify right side
    707,687.38x = 520,500,194,005.93
  5. Step 5: Solve for x
    x = 520,500,194,005.93/707,687.38
  6. Step 6: Final answer
    x = 735,494.52

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Double scale
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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.