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Finding the Fourth Proportional to 475,156.49, 655,723.39 and 260,282.37

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Solution

The fourth proportional to 475,156.49, 655,723.39 and 260,282.37 is: 359,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,156.49 : 655,723.39 = 260,282.37 : x
  2. Step 2: Convert to fraction form
    475,156.49/655,723.39 = 260,282.37/x
  3. Step 3: Cross multiply
    475,156.49x = 655,723.39 × 260,282.37
  4. Step 4: Simplify right side
    475,156.49x = 170,673,233,433.61
  5. Step 5: Solve for x
    x = 170,673,233,433.61/475,156.49
  6. Step 6: Final answer
    x = 359,193.74

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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.