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Finding the Fourth Proportional to 908,161, 1,362,279.82 and 268,466.20

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Solution

The fourth proportional to 908,161, 1,362,279.82 and 268,466.20 is: 402,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,161 : 1,362,279.82 = 268,466.20 : x
  2. Step 2: Convert to fraction form
    908,161/1,362,279.82 = 268,466.20/x
  3. Step 3: Cross multiply
    908,161x = 1,362,279.82 × 268,466.20
  4. Step 4: Simplify right side
    908,161x = 365,726,086,612.08
  5. Step 5: Solve for x
    x = 365,726,086,612.08/908,161
  6. Step 6: Final answer
    x = 402,710.63

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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.