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Finding the Fourth Proportional to 872,896.89, 1,204,417.08 and 510,250.62

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Solution

The fourth proportional to 872,896.89, 1,204,417.08 and 510,250.62 is: 704,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,896.89 : 1,204,417.08 = 510,250.62 : x
  2. Step 2: Convert to fraction form
    872,896.89/1,204,417.08 = 510,250.62/x
  3. Step 3: Cross multiply
    872,896.89x = 1,204,417.08 × 510,250.62
  4. Step 4: Simplify right side
    872,896.89x = 614,554,561,808.59
  5. Step 5: Solve for x
    x = 614,554,561,808.59/872,896.89
  6. Step 6: Final answer
    x = 704,040.27

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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.