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Finding the Fourth Proportional to 334,882.60, 501,449.10 and 319,136.20

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Solution

The fourth proportional to 334,882.60, 501,449.10 and 319,136.20 is: 477,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,882.60 : 501,449.10 = 319,136.20 : x
  2. Step 2: Convert to fraction form
    334,882.60/501,449.10 = 319,136.20/x
  3. Step 3: Cross multiply
    334,882.60x = 501,449.10 × 319,136.20
  4. Step 4: Simplify right side
    334,882.60x = 160,030,560,267.42
  5. Step 5: Solve for x
    x = 160,030,560,267.42/334,882.60
  6. Step 6: Final answer
    x = 477,870.63

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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.