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Finding the Fourth Proportional to 361,886.30, 542,829.45 and 333,892.70

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Solution

The fourth proportional to 361,886.30, 542,829.45 and 333,892.70 is: 500,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,886.30 : 542,829.45 = 333,892.70 : x
  2. Step 2: Convert to fraction form
    361,886.30/542,829.45 = 333,892.70/x
  3. Step 3: Cross multiply
    361,886.30x = 542,829.45 × 333,892.70
  4. Step 4: Simplify right side
    361,886.30x = 181,246,790,700.02
  5. Step 5: Solve for x
    x = 181,246,790,700.02/361,886.30
  6. Step 6: Final answer
    x = 500,839.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.