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Finding the Fourth Proportional to 359,348.60, 539,411.70 and 201,884.60

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Solution

The fourth proportional to 359,348.60, 539,411.70 and 201,884.60 is: 303,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,348.60 : 539,411.70 = 201,884.60 : x
  2. Step 2: Convert to fraction form
    359,348.60/539,411.70 = 201,884.60/x
  3. Step 3: Cross multiply
    359,348.60x = 539,411.70 × 201,884.60
  4. Step 4: Simplify right side
    359,348.60x = 108,898,915,289.82
  5. Step 5: Solve for x
    x = 108,898,915,289.82/359,348.60
  6. Step 6: Final answer
    x = 303,045.33

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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.