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Finding the Fourth Proportional to 542,118.06, 747,877.59 and 327,189.42

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Solution

The fourth proportional to 542,118.06, 747,877.59 and 327,189.42 is: 451,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,118.06 : 747,877.59 = 327,189.42 : x
  2. Step 2: Convert to fraction form
    542,118.06/747,877.59 = 327,189.42/x
  3. Step 3: Cross multiply
    542,118.06x = 747,877.59 × 327,189.42
  4. Step 4: Simplify right side
    542,118.06x = 244,697,634,903.10
  5. Step 5: Solve for x
    x = 244,697,634,903.10/542,118.06
  6. Step 6: Final answer
    x = 451,373.33

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Double scale
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Similar ratio
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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.