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Finding the Fourth Proportional to 460,745.56, 691,071.60 and 123,742.42

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Solution

The fourth proportional to 460,745.56, 691,071.60 and 123,742.42 is: 185,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,745.56 : 691,071.60 = 123,742.42 : x
  2. Step 2: Convert to fraction form
    460,745.56/691,071.60 = 123,742.42/x
  3. Step 3: Cross multiply
    460,745.56x = 691,071.60 × 123,742.42
  4. Step 4: Simplify right side
    460,745.56x = 85,514,872,177.27
  5. Step 5: Solve for x
    x = 85,514,872,177.27/460,745.56
  6. Step 6: Final answer
    x = 185,601.08

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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.