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Finding the Fourth Proportional to 293,915.47, 440,504.31 and 158,974.12

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Solution

The fourth proportional to 293,915.47, 440,504.31 and 158,974.12 is: 238,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,915.47 : 440,504.31 = 158,974.12 : x
  2. Step 2: Convert to fraction form
    293,915.47/440,504.31 = 158,974.12/x
  3. Step 3: Cross multiply
    293,915.47x = 440,504.31 × 158,974.12
  4. Step 4: Simplify right side
    293,915.47x = 70,028,785,038.46
  5. Step 5: Solve for x
    x = 70,028,785,038.46/293,915.47
  6. Step 6: Final answer
    x = 238,261.65

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1.5x scale

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.