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Finding the Fourth Proportional to 359,233.40, 538,850.10 and 270,003.80

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Solution

The fourth proportional to 359,233.40, 538,850.10 and 270,003.80 is: 405,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,233.40 : 538,850.10 = 270,003.80 : x
  2. Step 2: Convert to fraction form
    359,233.40/538,850.10 = 270,003.80/x
  3. Step 3: Cross multiply
    359,233.40x = 538,850.10 × 270,003.80
  4. Step 4: Simplify right side
    359,233.40x = 145,491,574,630.38
  5. Step 5: Solve for x
    x = 145,491,574,630.38/359,233.40
  6. Step 6: Final answer
    x = 405,005.70

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1.5x scale

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.