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Finding the Fourth Proportional to 359,625.98, 539,378.48 and 131,874.50

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Solution

The fourth proportional to 359,625.98, 539,378.48 and 131,874.50 is: 197,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,625.98 : 539,378.48 = 131,874.50 : x
  2. Step 2: Convert to fraction form
    359,625.98/539,378.48 = 131,874.50/x
  3. Step 3: Cross multiply
    359,625.98x = 539,378.48 × 131,874.50
  4. Step 4: Simplify right side
    359,625.98x = 71,130,264,004.50
  5. Step 5: Solve for x
    x = 71,130,264,004.50/359,625.98
  6. Step 6: Final answer
    x = 197,789.56

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1.5x scale

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.