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Finding the Fourth Proportional to 359,602.48, 539,462.22 and 134,980.56

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Solution

The fourth proportional to 359,602.48, 539,462.22 and 134,980.56 is: 202,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,602.48 : 539,462.22 = 134,980.56 : x
  2. Step 2: Convert to fraction form
    359,602.48/539,462.22 = 134,980.56/x
  3. Step 3: Cross multiply
    359,602.48x = 539,462.22 × 134,980.56
  4. Step 4: Simplify right side
    359,602.48x = 72,816,912,554.44
  5. Step 5: Solve for x
    x = 72,816,912,554.44/359,602.48
  6. Step 6: Final answer
    x = 202,492.80

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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.