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Finding the Fourth Proportional to 313,273.54, 432,305.93 and 170,030.51

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Solution

The fourth proportional to 313,273.54, 432,305.93 and 170,030.51 is: 234,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,273.54 : 432,305.93 = 170,030.51 : x
  2. Step 2: Convert to fraction form
    313,273.54/432,305.93 = 170,030.51/x
  3. Step 3: Cross multiply
    313,273.54x = 432,305.93 × 170,030.51
  4. Step 4: Simplify right side
    313,273.54x = 73,505,197,753.92
  5. Step 5: Solve for x
    x = 73,505,197,753.92/313,273.54
  6. Step 6: Final answer
    x = 234,635.83

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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.