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Finding the Fourth Proportional to 359,208.40, 538,877.40 and 181,267.60

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Solution

The fourth proportional to 359,208.40, 538,877.40 and 181,267.60 is: 271,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,208.40 : 538,877.40 = 181,267.60 : x
  2. Step 2: Convert to fraction form
    359,208.40/538,877.40 = 181,267.60/x
  3. Step 3: Cross multiply
    359,208.40x = 538,877.40 × 181,267.60
  4. Step 4: Simplify right side
    359,208.40x = 97,681,012,992.24
  5. Step 5: Solve for x
    x = 97,681,012,992.24/359,208.40
  6. Step 6: Final answer
    x = 271,934.10

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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.