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Finding the Fourth Proportional to 343,652.46, 474,242.98 and 190,691.26

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Solution

The fourth proportional to 343,652.46, 474,242.98 and 190,691.26 is: 263,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,652.46 : 474,242.98 = 190,691.26 : x
  2. Step 2: Convert to fraction form
    343,652.46/474,242.98 = 190,691.26/x
  3. Step 3: Cross multiply
    343,652.46x = 474,242.98 × 190,691.26
  4. Step 4: Simplify right side
    343,652.46x = 90,433,991,402.35
  5. Step 5: Solve for x
    x = 90,433,991,402.35/343,652.46
  6. Step 6: Final answer
    x = 263,155.37

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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.