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Finding the Fourth Proportional to 533,904.64, 800,867 and 249,517.16

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Solution

The fourth proportional to 533,904.64, 800,867 and 249,517.16 is: 374,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,904.64 : 800,867 = 249,517.16 : x
  2. Step 2: Convert to fraction form
    533,904.64/800,867 = 249,517.16/x
  3. Step 3: Cross multiply
    533,904.64x = 800,867 × 249,517.16
  4. Step 4: Simplify right side
    533,904.64x = 199,830,059,377.72
  5. Step 5: Solve for x
    x = 199,830,059,377.72/533,904.64
  6. Step 6: Final answer
    x = 374,280.43

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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.