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Finding the Fourth Proportional to 581,001.19, 801,856.83 and 326,352.31

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Solution

The fourth proportional to 581,001.19, 801,856.83 and 326,352.31 is: 450,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,001.19 : 801,856.83 = 326,352.31 : x
  2. Step 2: Convert to fraction form
    581,001.19/801,856.83 = 326,352.31/x
  3. Step 3: Cross multiply
    581,001.19x = 801,856.83 × 326,352.31
  4. Step 4: Simplify right side
    581,001.19x = 261,687,828,759.78
  5. Step 5: Solve for x
    x = 261,687,828,759.78/581,001.19
  6. Step 6: Final answer
    x = 450,408.42

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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.