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Finding the Fourth Proportional to 359,356.60, 537,998.10 and 322,031.80

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Solution

The fourth proportional to 359,356.60, 537,998.10 and 322,031.80 is: 482,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,356.60 : 537,998.10 = 322,031.80 : x
  2. Step 2: Convert to fraction form
    359,356.60/537,998.10 = 322,031.80/x
  3. Step 3: Cross multiply
    359,356.60x = 537,998.10 × 322,031.80
  4. Step 4: Simplify right side
    359,356.60x = 173,252,496,539.58
  5. Step 5: Solve for x
    x = 173,252,496,539.58/359,356.60
  6. Step 6: Final answer
    x = 482,118.59

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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.