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Finding the Fourth Proportional to 354,698.60, 532,307.10 and 249,722.60

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Solution

The fourth proportional to 354,698.60, 532,307.10 and 249,722.60 is: 374,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,698.60 : 532,307.10 = 249,722.60 : x
  2. Step 2: Convert to fraction form
    354,698.60/532,307.10 = 249,722.60/x
  3. Step 3: Cross multiply
    354,698.60x = 532,307.10 × 249,722.60
  4. Step 4: Simplify right side
    354,698.60x = 132,929,113,010.46
  5. Step 5: Solve for x
    x = 132,929,113,010.46/354,698.60
  6. Step 6: Final answer
    x = 374,766.39

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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.