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Finding the Fourth Proportional to 458,321.24, 632,618.16 and 297,186.32

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Solution

The fourth proportional to 458,321.24, 632,618.16 and 297,186.32 is: 410,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,321.24 : 632,618.16 = 297,186.32 : x
  2. Step 2: Convert to fraction form
    458,321.24/632,618.16 = 297,186.32/x
  3. Step 3: Cross multiply
    458,321.24x = 632,618.16 × 297,186.32
  4. Step 4: Simplify right side
    458,321.24x = 188,005,462,935.57
  5. Step 5: Solve for x
    x = 188,005,462,935.57/458,321.24
  6. Step 6: Final answer
    x = 410,204.56

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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.