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Finding the Fourth Proportional to 353,747.60, 530,621.40 and 241,773.20

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Solution

The fourth proportional to 353,747.60, 530,621.40 and 241,773.20 is: 362,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,747.60 : 530,621.40 = 241,773.20 : x
  2. Step 2: Convert to fraction form
    353,747.60/530,621.40 = 241,773.20/x
  3. Step 3: Cross multiply
    353,747.60x = 530,621.40 × 241,773.20
  4. Step 4: Simplify right side
    353,747.60x = 128,290,033,866.48
  5. Step 5: Solve for x
    x = 128,290,033,866.48/353,747.60
  6. Step 6: Final answer
    x = 362,659.80

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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.