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Finding the Fourth Proportional to 571,393.95, 788,532.51 and 313,294.44

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Solution

The fourth proportional to 571,393.95, 788,532.51 and 313,294.44 is: 432,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,393.95 : 788,532.51 = 313,294.44 : x
  2. Step 2: Convert to fraction form
    571,393.95/788,532.51 = 313,294.44/x
  3. Step 3: Cross multiply
    571,393.95x = 788,532.51 × 313,294.44
  4. Step 4: Simplify right side
    571,393.95x = 247,042,851,142.24
  5. Step 5: Solve for x
    x = 247,042,851,142.24/571,393.95
  6. Step 6: Final answer
    x = 432,351.18

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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.