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Finding the Fourth Proportional to 222,691, 333,199.48 and 156,260.76

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Solution

The fourth proportional to 222,691, 333,199.48 and 156,260.76 is: 233,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,691 : 333,199.48 = 156,260.76 : x
  2. Step 2: Convert to fraction form
    222,691/333,199.48 = 156,260.76/x
  3. Step 3: Cross multiply
    222,691x = 333,199.48 × 156,260.76
  4. Step 4: Simplify right side
    222,691x = 52,066,003,976.40
  5. Step 5: Solve for x
    x = 52,066,003,976.40/222,691
  6. Step 6: Final answer
    x = 233,803.81

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1.5x scale

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.