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Finding the Fourth Proportional to 458,681.91, 632,989.52 and 254,751.72

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Solution

The fourth proportional to 458,681.91, 632,989.52 and 254,751.72 is: 351,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,681.91 : 632,989.52 = 254,751.72 : x
  2. Step 2: Convert to fraction form
    458,681.91/632,989.52 = 254,751.72/x
  3. Step 3: Cross multiply
    458,681.91x = 632,989.52 × 254,751.72
  4. Step 4: Simplify right side
    458,681.91x = 161,255,168,961.97
  5. Step 5: Solve for x
    x = 161,255,168,961.97/458,681.91
  6. Step 6: Final answer
    x = 351,562.09

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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.