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Finding the Fourth Proportional to 572,735.77, 790,329.12 and 331,034.00

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Solution

The fourth proportional to 572,735.77, 790,329.12 and 331,034.00 is: 456,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,735.77 : 790,329.12 = 331,034.00 : x
  2. Step 2: Convert to fraction form
    572,735.77/790,329.12 = 331,034.00/x
  3. Step 3: Cross multiply
    572,735.77x = 790,329.12 × 331,034.00
  4. Step 4: Simplify right side
    572,735.77x = 261,625,804,717.06
  5. Step 5: Solve for x
    x = 261,625,804,717.06/572,735.77
  6. Step 6: Final answer
    x = 456,800.19

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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.