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Finding the Fourth Proportional to 359,618.88, 536,693.85 and 319,761.84

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Solution

The fourth proportional to 359,618.88, 536,693.85 and 319,761.84 is: 477,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,618.88 : 536,693.85 = 319,761.84 : x
  2. Step 2: Convert to fraction form
    359,618.88/536,693.85 = 319,761.84/x
  3. Step 3: Cross multiply
    359,618.88x = 536,693.85 × 319,761.84
  4. Step 4: Simplify right side
    359,618.88x = 171,614,212,992.68
  5. Step 5: Solve for x
    x = 171,614,212,992.68/359,618.88
  6. Step 6: Final answer
    x = 477,211.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.