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Finding the Fourth Proportional to 580,340.77, 800,873.40 and 322,221.71

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Solution

The fourth proportional to 580,340.77, 800,873.40 and 322,221.71 is: 444,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,340.77 : 800,873.40 = 322,221.71 : x
  2. Step 2: Convert to fraction form
    580,340.77/800,873.40 = 322,221.71/x
  3. Step 3: Cross multiply
    580,340.77x = 800,873.40 × 322,221.71
  4. Step 4: Simplify right side
    580,340.77x = 258,058,796,441.51
  5. Step 5: Solve for x
    x = 258,058,796,441.51/580,340.77
  6. Step 6: Final answer
    x = 444,667.70

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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.