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Finding the Fourth Proportional to 542,036.01, 748,269.71 and 381,029.07

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Solution

The fourth proportional to 542,036.01, 748,269.71 and 381,029.07 is: 526,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,036.01 : 748,269.71 = 381,029.07 : x
  2. Step 2: Convert to fraction form
    542,036.01/748,269.71 = 381,029.07/x
  3. Step 3: Cross multiply
    542,036.01x = 748,269.71 × 381,029.07
  4. Step 4: Simplify right side
    542,036.01x = 285,112,511,710.47
  5. Step 5: Solve for x
    x = 285,112,511,710.47/542,036.01
  6. Step 6: Final answer
    x = 526,002.90

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1.5x scale

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.