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Finding the Fourth Proportional to 334,855.20, 502,282.80 and 148,231.20

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Solution

The fourth proportional to 334,855.20, 502,282.80 and 148,231.20 is: 222,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,855.20 : 502,282.80 = 148,231.20 : x
  2. Step 2: Convert to fraction form
    334,855.20/502,282.80 = 148,231.20/x
  3. Step 3: Cross multiply
    334,855.20x = 502,282.80 × 148,231.20
  4. Step 4: Simplify right side
    334,855.20x = 74,453,982,183.36
  5. Step 5: Solve for x
    x = 74,453,982,183.36/334,855.20
  6. Step 6: Final answer
    x = 222,346.80

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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.