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Finding the Fourth Proportional to 441,758.78, 662,025.12 and 201,285.00

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Solution

The fourth proportional to 441,758.78, 662,025.12 and 201,285.00 is: 301,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,758.78 : 662,025.12 = 201,285.00 : x
  2. Step 2: Convert to fraction form
    441,758.78/662,025.12 = 201,285.00/x
  3. Step 3: Cross multiply
    441,758.78x = 662,025.12 × 201,285.00
  4. Step 4: Simplify right side
    441,758.78x = 133,255,721,962.65
  5. Step 5: Solve for x
    x = 133,255,721,962.65/441,758.78
  6. Step 6: Final answer
    x = 301,648.16

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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.