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Finding the Fourth Proportional to 425,766.68, 587,536.40 and 242,000.44

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Solution

The fourth proportional to 425,766.68, 587,536.40 and 242,000.44 is: 333,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,766.68 : 587,536.40 = 242,000.44 : x
  2. Step 2: Convert to fraction form
    425,766.68/587,536.40 = 242,000.44/x
  3. Step 3: Cross multiply
    425,766.68x = 587,536.40 × 242,000.44
  4. Step 4: Simplify right side
    425,766.68x = 142,184,067,316.02
  5. Step 5: Solve for x
    x = 142,184,067,316.02/425,766.68
  6. Step 6: Final answer
    x = 333,948.32

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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.