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Finding the Fourth Proportional to 587,334.70, 881,002.05 and 410,187.70

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Solution

The fourth proportional to 587,334.70, 881,002.05 and 410,187.70 is: 615,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,334.70 : 881,002.05 = 410,187.70 : x
  2. Step 2: Convert to fraction form
    587,334.70/881,002.05 = 410,187.70/x
  3. Step 3: Cross multiply
    587,334.70x = 881,002.05 × 410,187.70
  4. Step 4: Simplify right side
    587,334.70x = 361,376,204,584.79
  5. Step 5: Solve for x
    x = 361,376,204,584.79/587,334.70
  6. Step 6: Final answer
    x = 615,281.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.