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Finding the Fourth Proportional to 305,010.92, 457,512.84 and 125,056.16

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Solution

The fourth proportional to 305,010.92, 457,512.84 and 125,056.16 is: 187,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,010.92 : 457,512.84 = 125,056.16 : x
  2. Step 2: Convert to fraction form
    305,010.92/457,512.84 = 125,056.16/x
  3. Step 3: Cross multiply
    305,010.92x = 457,512.84 × 125,056.16
  4. Step 4: Simplify right side
    305,010.92x = 57,214,798,921.09
  5. Step 5: Solve for x
    x = 57,214,798,921.09/305,010.92
  6. Step 6: Final answer
    x = 187,582.79

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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.