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Finding the Fourth Proportional to 374,416.61, 516,695.18 and 204,650.73

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Solution

The fourth proportional to 374,416.61, 516,695.18 and 204,650.73 is: 282,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,416.61 : 516,695.18 = 204,650.73 : x
  2. Step 2: Convert to fraction form
    374,416.61/516,695.18 = 204,650.73/x
  3. Step 3: Cross multiply
    374,416.61x = 516,695.18 × 204,650.73
  4. Step 4: Simplify right side
    374,416.61x = 105,742,044,751.23
  5. Step 5: Solve for x
    x = 105,742,044,751.23/374,416.61
  6. Step 6: Final answer
    x = 282,418.15

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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.