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Finding the Fourth Proportional to 458,963.33, 633,367.36 and 255,047.45

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Solution

The fourth proportional to 458,963.33, 633,367.36 and 255,047.45 is: 351,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,963.33 : 633,367.36 = 255,047.45 : x
  2. Step 2: Convert to fraction form
    458,963.33/633,367.36 = 255,047.45/x
  3. Step 3: Cross multiply
    458,963.33x = 633,367.36 × 255,047.45
  4. Step 4: Simplify right side
    458,963.33x = 161,538,730,081.23
  5. Step 5: Solve for x
    x = 161,538,730,081.23/458,963.33
  6. Step 6: Final answer
    x = 351,964.35

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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.