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Finding the Fourth Proportional to 359,625.89, 496,284.78 and 196,283.90

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Solution

The fourth proportional to 359,625.89, 496,284.78 and 196,283.90 is: 270,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,625.89 : 496,284.78 = 196,283.90 : x
  2. Step 2: Convert to fraction form
    359,625.89/496,284.78 = 196,283.90/x
  3. Step 3: Cross multiply
    359,625.89x = 496,284.78 × 196,283.90
  4. Step 4: Simplify right side
    359,625.89x = 97,412,712,129.04
  5. Step 5: Solve for x
    x = 97,412,712,129.04/359,625.89
  6. Step 6: Final answer
    x = 270,872.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.