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Finding the Fourth Proportional to 550,851.80, 826,277.70 and 298,909.40

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Solution

The fourth proportional to 550,851.80, 826,277.70 and 298,909.40 is: 448,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,851.80 : 826,277.70 = 298,909.40 : x
  2. Step 2: Convert to fraction form
    550,851.80/826,277.70 = 298,909.40/x
  3. Step 3: Cross multiply
    550,851.80x = 826,277.70 × 298,909.40
  4. Step 4: Simplify right side
    550,851.80x = 246,982,171,540.38
  5. Step 5: Solve for x
    x = 246,982,171,540.38/550,851.80
  6. Step 6: Final answer
    x = 448,364.10

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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.