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Finding the Fourth Proportional to 584,631.16, 806,793.43 and 316,359.16

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Solution

The fourth proportional to 584,631.16, 806,793.43 and 316,359.16 is: 436,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,631.16 : 806,793.43 = 316,359.16 : x
  2. Step 2: Convert to fraction form
    584,631.16/806,793.43 = 316,359.16/x
  3. Step 3: Cross multiply
    584,631.16x = 806,793.43 × 316,359.16
  4. Step 4: Simplify right side
    584,631.16x = 255,236,491,808.32
  5. Step 5: Solve for x
    x = 255,236,491,808.32/584,631.16
  6. Step 6: Final answer
    x = 436,576.96

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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.