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Finding the Fourth Proportional to 457,801.44, 631,702.08 and 266,667.36

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Solution

The fourth proportional to 457,801.44, 631,702.08 and 266,667.36 is: 367,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,801.44 : 631,702.08 = 266,667.36 : x
  2. Step 2: Convert to fraction form
    457,801.44/631,702.08 = 266,667.36/x
  3. Step 3: Cross multiply
    457,801.44x = 631,702.08 × 266,667.36
  4. Step 4: Simplify right side
    457,801.44x = 168,454,325,980.11
  5. Step 5: Solve for x
    x = 168,454,325,980.11/457,801.44
  6. Step 6: Final answer
    x = 367,963.73

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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.