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Finding the Fourth Proportional to 571,209.57, 788,277.84 and 313,084.44

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Solution

The fourth proportional to 571,209.57, 788,277.84 and 313,084.44 is: 432,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,209.57 : 788,277.84 = 313,084.44 : x
  2. Step 2: Convert to fraction form
    571,209.57/788,277.84 = 313,084.44/x
  3. Step 3: Cross multiply
    571,209.57x = 788,277.84 × 313,084.44
  4. Step 4: Simplify right side
    571,209.57x = 246,797,526,100.81
  5. Step 5: Solve for x
    x = 246,797,526,100.81/571,209.57
  6. Step 6: Final answer
    x = 432,061.26

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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.