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Finding the Fourth Proportional to 463,116.68, 638,804.46 and 371,455.90

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Solution

The fourth proportional to 463,116.68, 638,804.46 and 371,455.90 is: 512,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,116.68 : 638,804.46 = 371,455.90 : x
  2. Step 2: Convert to fraction form
    463,116.68/638,804.46 = 371,455.90/x
  3. Step 3: Cross multiply
    463,116.68x = 638,804.46 × 371,455.90
  4. Step 4: Simplify right side
    463,116.68x = 237,287,685,613.31
  5. Step 5: Solve for x
    x = 237,287,685,613.31/463,116.68
  6. Step 6: Final answer
    x = 512,371.28

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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.