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Finding the Fourth Proportional to 577,898.94, 867,020.13 and 278,292.90

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Solution

The fourth proportional to 577,898.94, 867,020.13 and 278,292.90 is: 417,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,898.94 : 867,020.13 = 278,292.90 : x
  2. Step 2: Convert to fraction form
    577,898.94/867,020.13 = 278,292.90/x
  3. Step 3: Cross multiply
    577,898.94x = 867,020.13 × 278,292.90
  4. Step 4: Simplify right side
    577,898.94x = 241,285,546,336.08
  5. Step 5: Solve for x
    x = 241,285,546,336.08/577,898.94
  6. Step 6: Final answer
    x = 417,522.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.