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Finding the Fourth Proportional to 376,708.80, 565,984.80 and 283,396.80

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Solution

The fourth proportional to 376,708.80, 565,984.80 and 283,396.80 is: 425,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,708.80 : 565,984.80 = 283,396.80 : x
  2. Step 2: Convert to fraction form
    376,708.80/565,984.80 = 283,396.80/x
  3. Step 3: Cross multiply
    376,708.80x = 565,984.80 × 283,396.80
  4. Step 4: Simplify right side
    376,708.80x = 160,398,281,168.64
  5. Step 5: Solve for x
    x = 160,398,281,168.64/376,708.80
  6. Step 6: Final answer
    x = 425,788.52

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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.