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Finding the Fourth Proportional to 359,806.68, 498,633.30 and 354,732.84

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Solution

The fourth proportional to 359,806.68, 498,633.30 and 354,732.84 is: 491,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,806.68 : 498,633.30 = 354,732.84 : x
  2. Step 2: Convert to fraction form
    359,806.68/498,633.30 = 354,732.84/x
  3. Step 3: Cross multiply
    359,806.68x = 498,633.30 × 354,732.84
  4. Step 4: Simplify right side
    359,806.68x = 176,881,606,627.57
  5. Step 5: Solve for x
    x = 176,881,606,627.57/359,806.68
  6. Step 6: Final answer
    x = 491,601.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.