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Finding the Fourth Proportional to 354,756.60, 532,394.10 and 249,780.60

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Solution

The fourth proportional to 354,756.60, 532,394.10 and 249,780.60 is: 374,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,756.60 : 532,394.10 = 249,780.60 : x
  2. Step 2: Convert to fraction form
    354,756.60/532,394.10 = 249,780.60/x
  3. Step 3: Cross multiply
    354,756.60x = 532,394.10 × 249,780.60
  4. Step 4: Simplify right side
    354,756.60x = 132,981,717,734.46
  5. Step 5: Solve for x
    x = 132,981,717,734.46/354,756.60
  6. Step 6: Final answer
    x = 374,853.40

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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.