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Finding the Fourth Proportional to 481,051.08, 663,920.96 and 277,062.30

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Solution

The fourth proportional to 481,051.08, 663,920.96 and 277,062.30 is: 382,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,051.08 : 663,920.96 = 277,062.30 : x
  2. Step 2: Convert to fraction form
    481,051.08/663,920.96 = 277,062.30/x
  3. Step 3: Cross multiply
    481,051.08x = 663,920.96 × 277,062.30
  4. Step 4: Simplify right side
    481,051.08x = 183,947,466,810.50
  5. Step 5: Solve for x
    x = 183,947,466,810.50/481,051.08
  6. Step 6: Final answer
    x = 382,386.56

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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.