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Finding the Fourth Proportional to 546,566.80, 819,965.40 and 230,861.20

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Solution

The fourth proportional to 546,566.80, 819,965.40 and 230,861.20 is: 346,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,566.80 : 819,965.40 = 230,861.20 : x
  2. Step 2: Convert to fraction form
    546,566.80/819,965.40 = 230,861.20/x
  3. Step 3: Cross multiply
    546,566.80x = 819,965.40 × 230,861.20
  4. Step 4: Simplify right side
    546,566.80x = 189,298,196,202.48
  5. Step 5: Solve for x
    x = 189,298,196,202.48/546,566.80
  6. Step 6: Final answer
    x = 346,340.46

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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.