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Finding the Fourth Proportional to 474,264.39, 654,489.93 and 259,399.84

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Solution

The fourth proportional to 474,264.39, 654,489.93 and 259,399.84 is: 357,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,264.39 : 654,489.93 = 259,399.84 : x
  2. Step 2: Convert to fraction form
    474,264.39/654,489.93 = 259,399.84/x
  3. Step 3: Cross multiply
    474,264.39x = 654,489.93 × 259,399.84
  4. Step 4: Simplify right side
    474,264.39x = 169,774,583,123.61
  5. Step 5: Solve for x
    x = 169,774,583,123.61/474,264.39
  6. Step 6: Final answer
    x = 357,974.55

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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.