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Finding the Fourth Proportional to 359,883.20, 539,824.80 and 344,525.60

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Solution

The fourth proportional to 359,883.20, 539,824.80 and 344,525.60 is: 516,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,883.20 : 539,824.80 = 344,525.60 : x
  2. Step 2: Convert to fraction form
    359,883.20/539,824.80 = 344,525.60/x
  3. Step 3: Cross multiply
    359,883.20x = 539,824.80 × 344,525.60
  4. Step 4: Simplify right side
    359,883.20x = 185,983,463,114.88
  5. Step 5: Solve for x
    x = 185,983,463,114.88/359,883.20
  6. Step 6: Final answer
    x = 516,788.40

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Similar ratio
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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.