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Finding the Fourth Proportional to 291,787.83, 437,681.70 and 225,324.90

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Solution

The fourth proportional to 291,787.83, 437,681.70 and 225,324.90 is: 337,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,787.83 : 437,681.70 = 225,324.90 : x
  2. Step 2: Convert to fraction form
    291,787.83/437,681.70 = 225,324.90/x
  3. Step 3: Cross multiply
    291,787.83x = 437,681.70 × 225,324.90
  4. Step 4: Simplify right side
    291,787.83x = 98,620,585,284.33
  5. Step 5: Solve for x
    x = 98,620,585,284.33/291,787.83
  6. Step 6: Final answer
    x = 337,987.32

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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.