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Finding the Fourth Proportional to 458,305.51, 632,537.65 and 267,318.95

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Solution

The fourth proportional to 458,305.51, 632,537.65 and 267,318.95 is: 368,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,305.51 : 632,537.65 = 267,318.95 : x
  2. Step 2: Convert to fraction form
    458,305.51/632,537.65 = 267,318.95/x
  3. Step 3: Cross multiply
    458,305.51x = 632,537.65 × 267,318.95
  4. Step 4: Simplify right side
    458,305.51x = 169,089,300,433.47
  5. Step 5: Solve for x
    x = 169,089,300,433.47/458,305.51
  6. Step 6: Final answer
    x = 368,944.51

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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.