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Finding the Fourth Proportional to 324,575.40, 486,863.10 and 324,575.40

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Solution

The fourth proportional to 324,575.40, 486,863.10 and 324,575.40 is: 486,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,575.40 : 486,863.10 = 324,575.40 : x
  2. Step 2: Convert to fraction form
    324,575.40/486,863.10 = 324,575.40/x
  3. Step 3: Cross multiply
    324,575.40x = 486,863.10 × 324,575.40
  4. Step 4: Simplify right side
    324,575.40x = 158,023,785,427.74
  5. Step 5: Solve for x
    x = 158,023,785,427.74/324,575.40
  6. Step 6: Final answer
    x = 486,863.10

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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.