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Finding the Fourth Proportional to 475,799.49, 656,612.33 and 260,926.65

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Solution

The fourth proportional to 475,799.49, 656,612.33 and 260,926.65 is: 360,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,799.49 : 656,612.33 = 260,926.65 : x
  2. Step 2: Convert to fraction form
    475,799.49/656,612.33 = 260,926.65/x
  3. Step 3: Cross multiply
    475,799.49x = 656,612.33 × 260,926.65
  4. Step 4: Simplify right side
    475,799.49x = 171,327,654,310.96
  5. Step 5: Solve for x
    x = 171,327,654,310.96/475,799.49
  6. Step 6: Final answer
    x = 360,083.73

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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.