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Finding the Fourth Proportional to 359,351.82, 538,869.93 and 134,554.62

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Solution

The fourth proportional to 359,351.82, 538,869.93 and 134,554.62 is: 201,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,351.82 : 538,869.93 = 134,554.62 : x
  2. Step 2: Convert to fraction form
    359,351.82/538,869.93 = 134,554.62/x
  3. Step 3: Cross multiply
    359,351.82x = 538,869.93 × 134,554.62
  4. Step 4: Simplify right side
    359,351.82x = 72,507,438,660.58
  5. Step 5: Solve for x
    x = 72,507,438,660.58/359,351.82
  6. Step 6: Final answer
    x = 201,772.84

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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.