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Finding the Fourth Proportional to 324,854.64, 487,351.49 and 97,168.12

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Solution

The fourth proportional to 324,854.64, 487,351.49 and 97,168.12 is: 145,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,854.64 : 487,351.49 = 97,168.12 : x
  2. Step 2: Convert to fraction form
    324,854.64/487,351.49 = 97,168.12/x
  3. Step 3: Cross multiply
    324,854.64x = 487,351.49 × 97,168.12
  4. Step 4: Simplify right side
    324,854.64x = 47,355,028,062.50
  5. Step 5: Solve for x
    x = 47,355,028,062.50/324,854.64
  6. Step 6: Final answer
    x = 145,772.98

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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.