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Finding the Fourth Proportional to 474,494.31, 654,810.33 and 259,637.96

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Solution

The fourth proportional to 474,494.31, 654,810.33 and 259,637.96 is: 358,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,494.31 : 654,810.33 = 259,637.96 : x
  2. Step 2: Convert to fraction form
    474,494.31/654,810.33 = 259,637.96/x
  3. Step 3: Cross multiply
    474,494.31x = 654,810.33 × 259,637.96
  4. Step 4: Simplify right side
    474,494.31x = 170,013,614,994.08
  5. Step 5: Solve for x
    x = 170,013,614,994.08/474,494.31
  6. Step 6: Final answer
    x = 358,304.86

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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.