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Finding the Fourth Proportional to 547,424, 825,513.56 and 539,938.88

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Solution

The fourth proportional to 547,424, 825,513.56 and 539,938.88 is: 814,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,424 : 825,513.56 = 539,938.88 : x
  2. Step 2: Convert to fraction form
    547,424/825,513.56 = 539,938.88/x
  3. Step 3: Cross multiply
    547,424x = 825,513.56 × 539,938.88
  4. Step 4: Simplify right side
    547,424x = 445,726,867,011.21
  5. Step 5: Solve for x
    x = 445,726,867,011.21/547,424
  6. Step 6: Final answer
    x = 814,226.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.