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Finding the Fourth Proportional to 374,612.31, 516,957.12 and 204,846.30

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Solution

The fourth proportional to 374,612.31, 516,957.12 and 204,846.30 is: 282,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,612.31 : 516,957.12 = 204,846.30 : x
  2. Step 2: Convert to fraction form
    374,612.31/516,957.12 = 204,846.30/x
  3. Step 3: Cross multiply
    374,612.31x = 516,957.12 × 204,846.30
  4. Step 4: Simplify right side
    374,612.31x = 105,896,753,290.66
  5. Step 5: Solve for x
    x = 105,896,753,290.66/374,612.31
  6. Step 6: Final answer
    x = 282,683.59

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1.5x scale

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.