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Finding the Fourth Proportional to 431,878.16, 595,966.20 and 250,576.04

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Solution

The fourth proportional to 431,878.16, 595,966.20 and 250,576.04 is: 345,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,878.16 : 595,966.20 = 250,576.04 : x
  2. Step 2: Convert to fraction form
    431,878.16/595,966.20 = 250,576.04/x
  3. Step 3: Cross multiply
    431,878.16x = 595,966.20 × 250,576.04
  4. Step 4: Simplify right side
    431,878.16x = 149,334,850,369.85
  5. Step 5: Solve for x
    x = 149,334,850,369.85/431,878.16
  6. Step 6: Final answer
    x = 345,780.05

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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.