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Finding the Fourth Proportional to 359,624.80, 538,400.40 and 241,429.60

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Solution

The fourth proportional to 359,624.80, 538,400.40 and 241,429.60 is: 361,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,624.80 : 538,400.40 = 241,429.60 : x
  2. Step 2: Convert to fraction form
    359,624.80/538,400.40 = 241,429.60/x
  3. Step 3: Cross multiply
    359,624.80x = 538,400.40 × 241,429.60
  4. Step 4: Simplify right side
    359,624.80x = 129,985,793,211.84
  5. Step 5: Solve for x
    x = 129,985,793,211.84/359,624.80
  6. Step 6: Final answer
    x = 361,448.36

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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.