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Finding the Fourth Proportional to 288,224.73, 397,728.50 and 167,346.51

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Solution

The fourth proportional to 288,224.73, 397,728.50 and 167,346.51 is: 230,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,224.73 : 397,728.50 = 167,346.51 : x
  2. Step 2: Convert to fraction form
    288,224.73/397,728.50 = 167,346.51/x
  3. Step 3: Cross multiply
    288,224.73x = 397,728.50 × 167,346.51
  4. Step 4: Simplify right side
    288,224.73x = 66,558,475,486.31
  5. Step 5: Solve for x
    x = 66,558,475,486.31/288,224.73
  6. Step 6: Final answer
    x = 230,925.62

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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.