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Finding the Fourth Proportional to 580,448.15, 800,974.50 and 325,750.13

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Solution

The fourth proportional to 580,448.15, 800,974.50 and 325,750.13 is: 449,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,448.15 : 800,974.50 = 325,750.13 : x
  2. Step 2: Convert to fraction form
    580,448.15/800,974.50 = 325,750.13/x
  3. Step 3: Cross multiply
    580,448.15x = 800,974.50 × 325,750.13
  4. Step 4: Simplify right side
    580,448.15x = 260,917,543,496.81
  5. Step 5: Solve for x
    x = 260,917,543,496.81/580,448.15
  6. Step 6: Final answer
    x = 449,510.51

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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.