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Finding the Fourth Proportional to 359,259.80, 539,472.90 and 201,795.80

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Solution

The fourth proportional to 359,259.80, 539,472.90 and 201,795.80 is: 303,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,259.80 : 539,472.90 = 201,795.80 : x
  2. Step 2: Convert to fraction form
    359,259.80/539,472.90 = 201,795.80/x
  3. Step 3: Cross multiply
    359,259.80x = 539,472.90 × 201,795.80
  4. Step 4: Simplify right side
    359,259.80x = 108,863,365,433.82
  5. Step 5: Solve for x
    x = 108,863,365,433.82/359,259.80
  6. Step 6: Final answer
    x = 303,021.28

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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.