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Finding the Fourth Proportional to 615,827.52, 849,793.50 and 343,874.16

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Solution

The fourth proportional to 615,827.52, 849,793.50 and 343,874.16 is: 474,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,827.52 : 849,793.50 = 343,874.16 : x
  2. Step 2: Convert to fraction form
    615,827.52/849,793.50 = 343,874.16/x
  3. Step 3: Cross multiply
    615,827.52x = 849,793.50 × 343,874.16
  4. Step 4: Simplify right side
    615,827.52x = 292,222,025,985.96
  5. Step 5: Solve for x
    x = 292,222,025,985.96/615,827.52
  6. Step 6: Final answer
    x = 474,519.27

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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.