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Finding the Fourth Proportional to 1,896,500.80, 2,845,160.80 and 566,939.20

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Solution

The fourth proportional to 1,896,500.80, 2,845,160.80 and 566,939.20 is: 850,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,500.80 : 2,845,160.80 = 566,939.20 : x
  2. Step 2: Convert to fraction form
    1,896,500.80/2,845,160.80 = 566,939.20/x
  3. Step 3: Cross multiply
    1,896,500.80x = 2,845,160.80 × 566,939.20
  4. Step 4: Simplify right side
    1,896,500.80x = 1,613,033,187,823.36
  5. Step 5: Solve for x
    x = 1,613,033,187,823.36/1,896,500.80
  6. Step 6: Final answer
    x = 850,531.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.