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Finding the Fourth Proportional to 475,468.38, 656,163.18 and 260,608.39

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Solution

The fourth proportional to 475,468.38, 656,163.18 and 260,608.39 is: 359,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,468.38 : 656,163.18 = 260,608.39 : x
  2. Step 2: Convert to fraction form
    475,468.38/656,163.18 = 260,608.39/x
  3. Step 3: Cross multiply
    475,468.38x = 656,163.18 × 260,608.39
  4. Step 4: Simplify right side
    475,468.38x = 171,001,628,276.67
  5. Step 5: Solve for x
    x = 171,001,628,276.67/475,468.38
  6. Step 6: Final answer
    x = 359,648.79

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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.