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Finding the Fourth Proportional to 307,357.44, 460,925.25 and 129,878.16

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Solution

The fourth proportional to 307,357.44, 460,925.25 and 129,878.16 is: 194,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,357.44 : 460,925.25 = 129,878.16 : x
  2. Step 2: Convert to fraction form
    307,357.44/460,925.25 = 129,878.16/x
  3. Step 3: Cross multiply
    307,357.44x = 460,925.25 × 129,878.16
  4. Step 4: Simplify right side
    307,357.44x = 59,864,123,367.54
  5. Step 5: Solve for x
    x = 59,864,123,367.54/307,357.44
  6. Step 6: Final answer
    x = 194,770.37

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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.