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Finding the Fourth Proportional to 374,566.61, 516,903.91 and 204,800.73

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Solution

The fourth proportional to 374,566.61, 516,903.91 and 204,800.73 is: 282,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,566.61 : 516,903.91 = 204,800.73 : x
  2. Step 2: Convert to fraction form
    374,566.61/516,903.91 = 204,800.73/x
  3. Step 3: Cross multiply
    374,566.61x = 516,903.91 × 204,800.73
  4. Step 4: Simplify right side
    374,566.61x = 105,862,297,595.85
  5. Step 5: Solve for x
    x = 105,862,297,595.85/374,566.61
  6. Step 6: Final answer
    x = 282,626.10

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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.