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Finding the Fourth Proportional to 359,530.93, 496,152.10 and 198,385.85

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Solution

The fourth proportional to 359,530.93, 496,152.10 and 198,385.85 is: 273,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,530.93 : 496,152.10 = 198,385.85 : x
  2. Step 2: Convert to fraction form
    359,530.93/496,152.10 = 198,385.85/x
  3. Step 3: Cross multiply
    359,530.93x = 496,152.10 × 198,385.85
  4. Step 4: Simplify right side
    359,530.93x = 98,429,556,087.79
  5. Step 5: Solve for x
    x = 98,429,556,087.79/359,530.93
  6. Step 6: Final answer
    x = 273,772.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.