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Finding the Fourth Proportional to 674,552.38, 930,845.73 and 372,726.94

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Solution

The fourth proportional to 674,552.38, 930,845.73 and 372,726.94 is: 514,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,552.38 : 930,845.73 = 372,726.94 : x
  2. Step 2: Convert to fraction form
    674,552.38/930,845.73 = 372,726.94/x
  3. Step 3: Cross multiply
    674,552.38x = 930,845.73 × 372,726.94
  4. Step 4: Simplify right side
    674,552.38x = 346,951,279,625.58
  5. Step 5: Solve for x
    x = 346,951,279,625.58/674,552.38
  6. Step 6: Final answer
    x = 514,342.98

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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.