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Finding the Fourth Proportional to 587,281.20, 881,213.40 and 334,755.60

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Solution

The fourth proportional to 587,281.20, 881,213.40 and 334,755.60 is: 502,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,281.20 : 881,213.40 = 334,755.60 : x
  2. Step 2: Convert to fraction form
    587,281.20/881,213.40 = 334,755.60/x
  3. Step 3: Cross multiply
    587,281.20x = 881,213.40 × 334,755.60
  4. Step 4: Simplify right side
    587,281.20x = 294,991,120,445.04
  5. Step 5: Solve for x
    x = 294,991,120,445.04/587,281.20
  6. Step 6: Final answer
    x = 502,299.61

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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.