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Finding the Fourth Proportional to 541,932.80, 812,924.80 and 168,217.60

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Solution

The fourth proportional to 541,932.80, 812,924.80 and 168,217.60 is: 252,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,932.80 : 812,924.80 = 168,217.60 : x
  2. Step 2: Convert to fraction form
    541,932.80/812,924.80 = 168,217.60/x
  3. Step 3: Cross multiply
    541,932.80x = 812,924.80 × 168,217.60
  4. Step 4: Simplify right side
    541,932.80x = 136,748,258,836.48
  5. Step 5: Solve for x
    x = 136,748,258,836.48/541,932.80
  6. Step 6: Final answer
    x = 252,334.35

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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.