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Finding the Fourth Proportional to 458,881.20, 633,263.52 and 254,945.28

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Solution

The fourth proportional to 458,881.20, 633,263.52 and 254,945.28 is: 351,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,881.20 : 633,263.52 = 254,945.28 : x
  2. Step 2: Convert to fraction form
    458,881.20/633,263.52 = 254,945.28/x
  3. Step 3: Cross multiply
    458,881.20x = 633,263.52 × 254,945.28
  4. Step 4: Simplify right side
    458,881.20x = 161,447,545,420.19
  5. Step 5: Solve for x
    x = 161,447,545,420.19/458,881.20
  6. Step 6: Final answer
    x = 351,828.63

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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.