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Finding the Fourth Proportional to 577,823.60, 866,800.20 and 178,461.20

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Solution

The fourth proportional to 577,823.60, 866,800.20 and 178,461.20 is: 267,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,823.60 : 866,800.20 = 178,461.20 : x
  2. Step 2: Convert to fraction form
    577,823.60/866,800.20 = 178,461.20/x
  3. Step 3: Cross multiply
    577,823.60x = 866,800.20 × 178,461.20
  4. Step 4: Simplify right side
    577,823.60x = 154,690,203,852.24
  5. Step 5: Solve for x
    x = 154,690,203,852.24/577,823.60
  6. Step 6: Final answer
    x = 267,711.81

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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.