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Finding the Fourth Proportional to 564,885.35, 847,471.45 and 261,498.23

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Solution

The fourth proportional to 564,885.35, 847,471.45 and 261,498.23 is: 392,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,885.35 : 847,471.45 = 261,498.23 : x
  2. Step 2: Convert to fraction form
    564,885.35/847,471.45 = 261,498.23/x
  3. Step 3: Cross multiply
    564,885.35x = 847,471.45 × 261,498.23
  4. Step 4: Simplify right side
    564,885.35x = 221,612,282,843.04
  5. Step 5: Solve for x
    x = 221,612,282,843.04/564,885.35
  6. Step 6: Final answer
    x = 392,313.74

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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.