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Finding the Fourth Proportional to 359,220.04, 538,830.08 and 159,493.48

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Solution

The fourth proportional to 359,220.04, 538,830.08 and 159,493.48 is: 239,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,220.04 : 538,830.08 = 159,493.48 : x
  2. Step 2: Convert to fraction form
    359,220.04/538,830.08 = 159,493.48/x
  3. Step 3: Cross multiply
    359,220.04x = 538,830.08 × 159,493.48
  4. Step 4: Simplify right side
    359,220.04x = 85,939,884,587.88
  5. Step 5: Solve for x
    x = 85,939,884,587.88/359,220.04
  6. Step 6: Final answer
    x = 239,240.23

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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.