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Finding the Fourth Proportional to 354,312.60, 532,083.30 and 249,864.60

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Solution

The fourth proportional to 354,312.60, 532,083.30 and 249,864.60 is: 375,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312.60 : 532,083.30 = 249,864.60 : x
  2. Step 2: Convert to fraction form
    354,312.60/532,083.30 = 249,864.60/x
  3. Step 3: Cross multiply
    354,312.60x = 532,083.30 × 249,864.60
  4. Step 4: Simplify right side
    354,312.60x = 132,948,780,921.18
  5. Step 5: Solve for x
    x = 132,948,780,921.18/354,312.60
  6. Step 6: Final answer
    x = 375,230.18

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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.