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Finding the Fourth Proportional to 359,590.44, 539,245.44 and 134,828.40

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Solution

The fourth proportional to 359,590.44, 539,245.44 and 134,828.40 is: 202,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,590.44 : 539,245.44 = 134,828.40 : x
  2. Step 2: Convert to fraction form
    359,590.44/539,245.44 = 134,828.40/x
  3. Step 3: Cross multiply
    359,590.44x = 539,245.44 × 134,828.40
  4. Step 4: Simplify right side
    359,590.44x = 72,705,599,882.50
  5. Step 5: Solve for x
    x = 72,705,599,882.50/359,590.44
  6. Step 6: Final answer
    x = 202,190.02

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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.