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Finding the Fourth Proportional to 524,103.28, 723,281.88 and 297,787.12

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Solution

The fourth proportional to 524,103.28, 723,281.88 and 297,787.12 is: 410,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,103.28 : 723,281.88 = 297,787.12 : x
  2. Step 2: Convert to fraction form
    524,103.28/723,281.88 = 297,787.12/x
  3. Step 3: Cross multiply
    524,103.28x = 723,281.88 × 297,787.12
  4. Step 4: Simplify right side
    524,103.28x = 215,384,027,993.39
  5. Step 5: Solve for x
    x = 215,384,027,993.39/524,103.28
  6. Step 6: Final answer
    x = 410,957.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.