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Finding the Fourth Proportional to 359,337.60, 539,265.60 and 201,398.40

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Solution

The fourth proportional to 359,337.60, 539,265.60 and 201,398.40 is: 302,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,337.60 : 539,265.60 = 201,398.40 : x
  2. Step 2: Convert to fraction form
    359,337.60/539,265.60 = 201,398.40/x
  3. Step 3: Cross multiply
    359,337.60x = 539,265.60 × 201,398.40
  4. Step 4: Simplify right side
    359,337.60x = 108,607,229,015.04
  5. Step 5: Solve for x
    x = 108,607,229,015.04/359,337.60
  6. Step 6: Final answer
    x = 302,242.87

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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.