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Finding the Fourth Proportional to 359,156.53, 538,734.78 and 341,197.33

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Solution

The fourth proportional to 359,156.53, 538,734.78 and 341,197.33 is: 511,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,156.53 : 538,734.78 = 341,197.33 : x
  2. Step 2: Convert to fraction form
    359,156.53/538,734.78 = 341,197.33/x
  3. Step 3: Cross multiply
    359,156.53x = 538,734.78 × 341,197.33
  4. Step 4: Simplify right side
    359,156.53x = 183,814,867,167.30
  5. Step 5: Solve for x
    x = 183,814,867,167.30/359,156.53
  6. Step 6: Final answer
    x = 511,795.98

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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.