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Finding the Fourth Proportional to 232,480.70, 320,740.85 and 151,954.71

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Solution

The fourth proportional to 232,480.70, 320,740.85 and 151,954.71 is: 209,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,480.70 : 320,740.85 = 151,954.71 : x
  2. Step 2: Convert to fraction form
    232,480.70/320,740.85 = 151,954.71/x
  3. Step 3: Cross multiply
    232,480.70x = 320,740.85 × 151,954.71
  4. Step 4: Simplify right side
    232,480.70x = 48,738,082,087.13
  5. Step 5: Solve for x
    x = 48,738,082,087.13/232,480.70
  6. Step 6: Final answer
    x = 209,643.57

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1.5x scale

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.