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Finding the Fourth Proportional to 458,877.12, 633,154.44 and 277,553.56

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Solution

The fourth proportional to 458,877.12, 633,154.44 and 277,553.56 is: 382,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,877.12 : 633,154.44 = 277,553.56 : x
  2. Step 2: Convert to fraction form
    458,877.12/633,154.44 = 277,553.56/x
  3. Step 3: Cross multiply
    458,877.12x = 633,154.44 × 277,553.56
  4. Step 4: Simplify right side
    458,877.12x = 175,734,268,851.81
  5. Step 5: Solve for x
    x = 175,734,268,851.81/458,877.12
  6. Step 6: Final answer
    x = 382,965.86

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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.