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Finding the Fourth Proportional to 565,597.76, 847,260.70 and 261,565.76

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Solution

The fourth proportional to 565,597.76, 847,260.70 and 261,565.76 is: 391,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,597.76 : 847,260.70 = 261,565.76 : x
  2. Step 2: Convert to fraction form
    565,597.76/847,260.70 = 261,565.76/x
  3. Step 3: Cross multiply
    565,597.76x = 847,260.70 × 261,565.76
  4. Step 4: Simplify right side
    565,597.76x = 221,614,384,677.33
  5. Step 5: Solve for x
    x = 221,614,384,677.33/565,597.76
  6. Step 6: Final answer
    x = 391,823.31

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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.