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Finding the Fourth Proportional to 341,079.96, 511,391.68 and 163,490.10

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Solution

The fourth proportional to 341,079.96, 511,391.68 and 163,490.10 is: 245,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,079.96 : 511,391.68 = 163,490.10 : x
  2. Step 2: Convert to fraction form
    341,079.96/511,391.68 = 163,490.10/x
  3. Step 3: Cross multiply
    341,079.96x = 511,391.68 × 163,490.10
  4. Step 4: Simplify right side
    341,079.96x = 83,607,474,575.92
  5. Step 5: Solve for x
    x = 83,607,474,575.92/341,079.96
  6. Step 6: Final answer
    x = 245,125.73

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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.