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Finding the Fourth Proportional to 541,985.99, 813,019.31 and 162,876.38

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Solution

The fourth proportional to 541,985.99, 813,019.31 and 162,876.38 is: 244,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,985.99 : 813,019.31 = 162,876.38 : x
  2. Step 2: Convert to fraction form
    541,985.99/813,019.31 = 162,876.38/x
  3. Step 3: Cross multiply
    541,985.99x = 813,019.31 × 162,876.38
  4. Step 4: Simplify right side
    541,985.99x = 132,421,639,235.97
  5. Step 5: Solve for x
    x = 132,421,639,235.97/541,985.99
  6. Step 6: Final answer
    x = 244,326.68

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1.5x scale

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.