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Finding the Fourth Proportional to 533,561.28, 800,258.40 and 178,572.48

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Solution

The fourth proportional to 533,561.28, 800,258.40 and 178,572.48 is: 267,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,561.28 : 800,258.40 = 178,572.48 : x
  2. Step 2: Convert to fraction form
    533,561.28/800,258.40 = 178,572.48/x
  3. Step 3: Cross multiply
    533,561.28x = 800,258.40 × 178,572.48
  4. Step 4: Simplify right side
    533,561.28x = 142,904,127,128.83
  5. Step 5: Solve for x
    x = 142,904,127,128.83/533,561.28
  6. Step 6: Final answer
    x = 267,830.77

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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.