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Finding the Fourth Proportional to 315,034.40, 472,551.60 and 226,460.90

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Solution

The fourth proportional to 315,034.40, 472,551.60 and 226,460.90 is: 339,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,034.40 : 472,551.60 = 226,460.90 : x
  2. Step 2: Convert to fraction form
    315,034.40/472,551.60 = 226,460.90/x
  3. Step 3: Cross multiply
    315,034.40x = 472,551.60 × 226,460.90
  4. Step 4: Simplify right side
    315,034.40x = 107,014,460,632.44
  5. Step 5: Solve for x
    x = 107,014,460,632.44/315,034.40
  6. Step 6: Final answer
    x = 339,691.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.