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Finding the Fourth Proportional to 368,711.76, 508,832.08 and 207,572.93

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Solution

The fourth proportional to 368,711.76, 508,832.08 and 207,572.93 is: 286,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,711.76 : 508,832.08 = 207,572.93 : x
  2. Step 2: Convert to fraction form
    368,711.76/508,832.08 = 207,572.93/x
  3. Step 3: Cross multiply
    368,711.76x = 508,832.08 × 207,572.93
  4. Step 4: Simplify right side
    368,711.76x = 105,619,764,568.62
  5. Step 5: Solve for x
    x = 105,619,764,568.62/368,711.76
  6. Step 6: Final answer
    x = 286,456.18

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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.