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Finding the Fourth Proportional to 361,693.02, 542,569.02 and 181,685.82

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Solution

The fourth proportional to 361,693.02, 542,569.02 and 181,685.82 is: 272,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,693.02 : 542,569.02 = 181,685.82 : x
  2. Step 2: Convert to fraction form
    361,693.02/542,569.02 = 181,685.82/x
  3. Step 3: Cross multiply
    361,693.02x = 542,569.02 × 181,685.82
  4. Step 4: Simplify right side
    361,693.02x = 98,577,097,305.30
  5. Step 5: Solve for x
    x = 98,577,097,305.30/361,693.02
  6. Step 6: Final answer
    x = 272,543.54

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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.