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Finding the Fourth Proportional to 359,873, 539,440.86 and 149,633

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Solution

The fourth proportional to 359,873, 539,440.86 and 149,633 is: 224,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,873 : 539,440.86 = 149,633 : x
  2. Step 2: Convert to fraction form
    359,873/539,440.86 = 149,633/x
  3. Step 3: Cross multiply
    359,873x = 539,440.86 × 149,633
  4. Step 4: Simplify right side
    359,873x = 80,718,154,204.38
  5. Step 5: Solve for x
    x = 80,718,154,204.38/359,873
  6. Step 6: Final answer
    x = 224,296.22

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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.