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Finding the Fourth Proportional to 288,546.60, 432,163.80 and 182,258.40

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Solution

The fourth proportional to 288,546.60, 432,163.80 and 182,258.40 is: 272,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,546.60 : 432,163.80 = 182,258.40 : x
  2. Step 2: Convert to fraction form
    288,546.60/432,163.80 = 182,258.40/x
  3. Step 3: Cross multiply
    288,546.60x = 432,163.80 × 182,258.40
  4. Step 4: Simplify right side
    288,546.60x = 78,765,482,725.92
  5. Step 5: Solve for x
    x = 78,765,482,725.92/288,546.60
  6. Step 6: Final answer
    x = 272,973.18

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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.