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Finding the Fourth Proportional to 354,842.60, 532,523.10 and 249,866.60

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Solution

The fourth proportional to 354,842.60, 532,523.10 and 249,866.60 is: 374,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,842.60 : 532,523.10 = 249,866.60 : x
  2. Step 2: Convert to fraction form
    354,842.60/532,523.10 = 249,866.60/x
  3. Step 3: Cross multiply
    354,842.60x = 532,523.10 × 249,866.60
  4. Step 4: Simplify right side
    354,842.60x = 133,059,736,418.46
  5. Step 5: Solve for x
    x = 133,059,736,418.46/354,842.60
  6. Step 6: Final answer
    x = 374,982.42

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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.