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Finding the Fourth Proportional to 359,188.40, 538,847.40 and 181,247.60

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Solution

The fourth proportional to 359,188.40, 538,847.40 and 181,247.60 is: 271,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,188.40 : 538,847.40 = 181,247.60 : x
  2. Step 2: Convert to fraction form
    359,188.40/538,847.40 = 181,247.60/x
  3. Step 3: Cross multiply
    359,188.40x = 538,847.40 × 181,247.60
  4. Step 4: Simplify right side
    359,188.40x = 97,664,798,016.24
  5. Step 5: Solve for x
    x = 97,664,798,016.24/359,188.40
  6. Step 6: Final answer
    x = 271,904.10

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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.