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Finding the Fourth Proportional to 571,040.04, 857,796.06 and 371,257.68

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Solution

The fourth proportional to 571,040.04, 857,796.06 and 371,257.68 is: 557,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,040.04 : 857,796.06 = 371,257.68 : x
  2. Step 2: Convert to fraction form
    571,040.04/857,796.06 = 371,257.68/x
  3. Step 3: Cross multiply
    571,040.04x = 857,796.06 × 371,257.68
  4. Step 4: Simplify right side
    571,040.04x = 318,463,375,148.74
  5. Step 5: Solve for x
    x = 318,463,375,148.74/571,040.04
  6. Step 6: Final answer
    x = 557,690.10

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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.