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Finding the Fourth Proportional to 580,943.12, 801,685.46 and 322,813.39

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Solution

The fourth proportional to 580,943.12, 801,685.46 and 322,813.39 is: 445,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,943.12 : 801,685.46 = 322,813.39 : x
  2. Step 2: Convert to fraction form
    580,943.12/801,685.46 = 322,813.39/x
  3. Step 3: Cross multiply
    580,943.12x = 801,685.46 × 322,813.39
  4. Step 4: Simplify right side
    580,943.12x = 258,794,798,646.07
  5. Step 5: Solve for x
    x = 258,794,798,646.07/580,943.12
  6. Step 6: Final answer
    x = 445,473.56

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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.