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Finding the Fourth Proportional to 438,844.34, 658,233.68 and 158,361.58

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Solution

The fourth proportional to 438,844.34, 658,233.68 and 158,361.58 is: 237,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,844.34 : 658,233.68 = 158,361.58 : x
  2. Step 2: Convert to fraction form
    438,844.34/658,233.68 = 158,361.58/x
  3. Step 3: Cross multiply
    438,844.34x = 658,233.68 × 158,361.58
  4. Step 4: Simplify right side
    438,844.34x = 104,238,925,574.01
  5. Step 5: Solve for x
    x = 104,238,925,574.01/438,844.34
  6. Step 6: Final answer
    x = 237,530.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.