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Finding the Fourth Proportional to 372,712.77, 514,212.44 and 243,726.71

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Solution

The fourth proportional to 372,712.77, 514,212.44 and 243,726.71 is: 336,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,712.77 : 514,212.44 = 243,726.71 : x
  2. Step 2: Convert to fraction form
    372,712.77/514,212.44 = 243,726.71/x
  3. Step 3: Cross multiply
    372,712.77x = 514,212.44 × 243,726.71
  4. Step 4: Simplify right side
    372,712.77x = 125,327,302,452.58
  5. Step 5: Solve for x
    x = 125,327,302,452.58/372,712.77
  6. Step 6: Final answer
    x = 336,257.07

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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.