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Finding the Fourth Proportional to 475,468.79, 656,163.18 and 260,608.79

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Solution

The fourth proportional to 475,468.79, 656,163.18 and 260,608.79 is: 359,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,468.79 : 656,163.18 = 260,608.79 : x
  2. Step 2: Convert to fraction form
    475,468.79/656,163.18 = 260,608.79/x
  3. Step 3: Cross multiply
    475,468.79x = 656,163.18 × 260,608.79
  4. Step 4: Simplify right side
    475,468.79x = 171,001,894,022.76
  5. Step 5: Solve for x
    x = 171,001,894,022.76/475,468.79
  6. Step 6: Final answer
    x = 359,649.04

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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.