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Finding the Fourth Proportional to 606,474.10, 907,961.55 and 370,278.10

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Solution

The fourth proportional to 606,474.10, 907,961.55 and 370,278.10 is: 554,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,474.10 : 907,961.55 = 370,278.10 : x
  2. Step 2: Convert to fraction form
    606,474.10/907,961.55 = 370,278.10/x
  3. Step 3: Cross multiply
    606,474.10x = 907,961.55 × 370,278.10
  4. Step 4: Simplify right side
    606,474.10x = 336,198,277,607.06
  5. Step 5: Solve for x
    x = 336,198,277,607.06/606,474.10
  6. Step 6: Final answer
    x = 554,348.95

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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.