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Finding the Fourth Proportional to 541,670.76, 812,505.30 and 162,591.12

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Solution

The fourth proportional to 541,670.76, 812,505.30 and 162,591.12 is: 243,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,670.76 : 812,505.30 = 162,591.12 : x
  2. Step 2: Convert to fraction form
    541,670.76/812,505.30 = 162,591.12/x
  3. Step 3: Cross multiply
    541,670.76x = 812,505.30 × 162,591.12
  4. Step 4: Simplify right side
    541,670.76x = 132,106,146,732.94
  5. Step 5: Solve for x
    x = 132,106,146,732.94/541,670.76
  6. Step 6: Final answer
    x = 243,886.43

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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.