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Finding the Fourth Proportional to 474,318.17, 654,574.82 and 259,458.48

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Solution

The fourth proportional to 474,318.17, 654,574.82 and 259,458.48 is: 358,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,318.17 : 654,574.82 = 259,458.48 : x
  2. Step 2: Convert to fraction form
    474,318.17/654,574.82 = 259,458.48/x
  3. Step 3: Cross multiply
    474,318.17x = 654,574.82 × 259,458.48
  4. Step 4: Simplify right side
    474,318.17x = 169,834,986,546.18
  5. Step 5: Solve for x
    x = 169,834,986,546.18/474,318.17
  6. Step 6: Final answer
    x = 358,061.32

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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.