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Finding the Fourth Proportional to 344,009.73, 474,717.18 and 191,057.70

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Solution

The fourth proportional to 344,009.73, 474,717.18 and 191,057.70 is: 263,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,009.73 : 474,717.18 = 191,057.70 : x
  2. Step 2: Convert to fraction form
    344,009.73/474,717.18 = 191,057.70/x
  3. Step 3: Cross multiply
    344,009.73x = 474,717.18 × 191,057.70
  4. Step 4: Simplify right side
    344,009.73x = 90,698,372,561.29
  5. Step 5: Solve for x
    x = 90,698,372,561.29/344,009.73
  6. Step 6: Final answer
    x = 263,650.60

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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.