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Finding the Fourth Proportional to 374,455.62, 516,746.52 and 204,690.96

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Solution

The fourth proportional to 374,455.62, 516,746.52 and 204,690.96 is: 282,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,455.62 : 516,746.52 = 204,690.96 : x
  2. Step 2: Convert to fraction form
    374,455.62/516,746.52 = 204,690.96/x
  3. Step 3: Cross multiply
    374,455.62x = 516,746.52 × 204,690.96
  4. Step 4: Simplify right side
    374,455.62x = 105,773,341,255.46
  5. Step 5: Solve for x
    x = 105,773,341,255.46/374,455.62
  6. Step 6: Final answer
    x = 282,472.30

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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.