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Finding the Fourth Proportional to 357,926.76, 537,279.15 and 144,841.34

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Solution

The fourth proportional to 357,926.76, 537,279.15 and 144,841.34 is: 217,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,926.76 : 537,279.15 = 144,841.34 : x
  2. Step 2: Convert to fraction form
    357,926.76/537,279.15 = 144,841.34/x
  3. Step 3: Cross multiply
    357,926.76x = 537,279.15 × 144,841.34
  4. Step 4: Simplify right side
    357,926.76x = 77,820,229,353.67
  5. Step 5: Solve for x
    x = 77,820,229,353.67/357,926.76
  6. Step 6: Final answer
    x = 217,419.42

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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.