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Finding the Fourth Proportional to 542,690.56, 748,957.82 and 301,051.04

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Solution

The fourth proportional to 542,690.56, 748,957.82 and 301,051.04 is: 415,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,690.56 : 748,957.82 = 301,051.04 : x
  2. Step 2: Convert to fraction form
    542,690.56/748,957.82 = 301,051.04/x
  3. Step 3: Cross multiply
    542,690.56x = 748,957.82 × 301,051.04
  4. Step 4: Simplify right side
    542,690.56x = 225,474,530,627.13
  5. Step 5: Solve for x
    x = 225,474,530,627.13/542,690.56
  6. Step 6: Final answer
    x = 415,475.31

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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.