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Finding the Fourth Proportional to 359,604.36, 498,351.96 and 354,530.52

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Solution

The fourth proportional to 359,604.36, 498,351.96 and 354,530.52 is: 491,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,604.36 : 498,351.96 = 354,530.52 : x
  2. Step 2: Convert to fraction form
    359,604.36/498,351.96 = 354,530.52/x
  3. Step 3: Cross multiply
    359,604.36x = 498,351.96 × 354,530.52
  4. Step 4: Simplify right side
    359,604.36x = 176,680,979,521.82
  5. Step 5: Solve for x
    x = 176,680,979,521.82/359,604.36
  6. Step 6: Final answer
    x = 491,320.46

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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.