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Finding the Fourth Proportional to 597,987.19, 825,422.28 and 356,345.56

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Solution

The fourth proportional to 597,987.19, 825,422.28 and 356,345.56 is: 491,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,987.19 : 825,422.28 = 356,345.56 : x
  2. Step 2: Convert to fraction form
    597,987.19/825,422.28 = 356,345.56/x
  3. Step 3: Cross multiply
    597,987.19x = 825,422.28 × 356,345.56
  4. Step 4: Simplify right side
    597,987.19x = 294,135,564,603.08
  5. Step 5: Solve for x
    x = 294,135,564,603.08/597,987.19
  6. Step 6: Final answer
    x = 491,876.03

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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.