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Finding the Fourth Proportional to 586,475.62, 809,314.26 and 331,832.28

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Solution

The fourth proportional to 586,475.62, 809,314.26 and 331,832.28 is: 457,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,475.62 : 809,314.26 = 331,832.28 : x
  2. Step 2: Convert to fraction form
    586,475.62/809,314.26 = 331,832.28/x
  3. Step 3: Cross multiply
    586,475.62x = 809,314.26 × 331,832.28
  4. Step 4: Simplify right side
    586,475.62x = 268,556,596,132.31
  5. Step 5: Solve for x
    x = 268,556,596,132.31/586,475.62
  6. Step 6: Final answer
    x = 457,916.04

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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.