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Finding the Fourth Proportional to 359,363.60, 539,434.20 and 201,899.60

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Solution

The fourth proportional to 359,363.60, 539,434.20 and 201,899.60 is: 303,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,363.60 : 539,434.20 = 201,899.60 : x
  2. Step 2: Convert to fraction form
    359,363.60/539,434.20 = 201,899.60/x
  3. Step 3: Cross multiply
    359,363.60x = 539,434.20 × 201,899.60
  4. Step 4: Simplify right side
    359,363.60x = 108,911,549,206.32
  5. Step 5: Solve for x
    x = 108,911,549,206.32/359,363.60
  6. Step 6: Final answer
    x = 303,067.84

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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.