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Finding the Fourth Proportional to 307,568.30, 461,352.45 and 283,948.70

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Solution

The fourth proportional to 307,568.30, 461,352.45 and 283,948.70 is: 425,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,568.30 : 461,352.45 = 283,948.70 : x
  2. Step 2: Convert to fraction form
    307,568.30/461,352.45 = 283,948.70/x
  3. Step 3: Cross multiply
    307,568.30x = 461,352.45 × 283,948.70
  4. Step 4: Simplify right side
    307,568.30x = 131,000,428,419.32
  5. Step 5: Solve for x
    x = 131,000,428,419.32/307,568.30
  6. Step 6: Final answer
    x = 425,923.05

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Similar ratio
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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.