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Finding the Fourth Proportional to 542,690.06, 748,957.13 and 301,050.54

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Solution

The fourth proportional to 542,690.06, 748,957.13 and 301,050.54 is: 415,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,690.06 : 748,957.13 = 301,050.54 : x
  2. Step 2: Convert to fraction form
    542,690.06/748,957.13 = 301,050.54/x
  3. Step 3: Cross multiply
    542,690.06x = 748,957.13 × 301,050.54
  4. Step 4: Simplify right side
    542,690.06x = 225,473,948,423.35
  5. Step 5: Solve for x
    x = 225,473,948,423.35/542,690.06
  6. Step 6: Final answer
    x = 415,474.62

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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.