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Finding the Fourth Proportional to 603,077.76, 908,951.49 and 519,842.52

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Solution

The fourth proportional to 603,077.76, 908,951.49 and 519,842.52 is: 783,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,077.76 : 908,951.49 = 519,842.52 : x
  2. Step 2: Convert to fraction form
    603,077.76/908,951.49 = 519,842.52/x
  3. Step 3: Cross multiply
    603,077.76x = 908,951.49 × 519,842.52
  4. Step 4: Simplify right side
    603,077.76x = 472,511,633,119.36
  5. Step 5: Solve for x
    x = 472,511,633,119.36/603,077.76
  6. Step 6: Final answer
    x = 783,500.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.