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Finding the Fourth Proportional to 359,798.25, 539,699.36 and 149,436.19

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Solution

The fourth proportional to 359,798.25, 539,699.36 and 149,436.19 is: 224,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,798.25 : 539,699.36 = 149,436.19 : x
  2. Step 2: Convert to fraction form
    359,798.25/539,699.36 = 149,436.19/x
  3. Step 3: Cross multiply
    359,798.25x = 539,699.36 × 149,436.19
  4. Step 4: Simplify right side
    359,798.25x = 80,650,616,031.28
  5. Step 5: Solve for x
    x = 80,650,616,031.28/359,798.25
  6. Step 6: Final answer
    x = 224,155.11

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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.