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Finding the Fourth Proportional to 372,442.31, 557,586.33 and 333,983.91

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Solution

The fourth proportional to 372,442.31, 557,586.33 and 333,983.91 is: 500,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,442.31 : 557,586.33 = 333,983.91 : x
  2. Step 2: Convert to fraction form
    372,442.31/557,586.33 = 333,983.91/x
  3. Step 3: Cross multiply
    372,442.31x = 557,586.33 × 333,983.91
  4. Step 4: Simplify right side
    372,442.31x = 186,224,862,655.95
  5. Step 5: Solve for x
    x = 186,224,862,655.95/372,442.31
  6. Step 6: Final answer
    x = 500,009.95

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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.