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Finding the Fourth Proportional to 342,915.49, 473,227.19 and 189,956.04

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Solution

The fourth proportional to 342,915.49, 473,227.19 and 189,956.04 is: 262,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,915.49 : 473,227.19 = 189,956.04 : x
  2. Step 2: Convert to fraction form
    342,915.49/473,227.19 = 189,956.04/x
  3. Step 3: Cross multiply
    342,915.49x = 473,227.19 × 189,956.04
  4. Step 4: Simplify right side
    342,915.49x = 89,892,363,032.73
  5. Step 5: Solve for x
    x = 89,892,363,032.73/342,915.49
  6. Step 6: Final answer
    x = 262,141.45

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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.