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Finding the Fourth Proportional to 359,941.44, 539,987.40 and 107,221.44

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Solution

The fourth proportional to 359,941.44, 539,987.40 and 107,221.44 is: 160,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,941.44 : 539,987.40 = 107,221.44 : x
  2. Step 2: Convert to fraction form
    359,941.44/539,987.40 = 107,221.44/x
  3. Step 3: Cross multiply
    359,941.44x = 539,987.40 × 107,221.44
  4. Step 4: Simplify right side
    359,941.44x = 57,898,226,609.86
  5. Step 5: Solve for x
    x = 57,898,226,609.86/359,941.44
  6. Step 6: Final answer
    x = 160,854.57

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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.