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Finding the Fourth Proportional to 2,247,651, 3,371,479.92 and 917,955

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Solution

The fourth proportional to 2,247,651, 3,371,479.92 and 917,955 is: 1,376,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247,651 : 3,371,479.92 = 917,955 : x
  2. Step 2: Convert to fraction form
    2,247,651/3,371,479.92 = 917,955/x
  3. Step 3: Cross multiply
    2,247,651x = 3,371,479.92 × 917,955
  4. Step 4: Simplify right side
    2,247,651x = 3,094,866,849,963.60
  5. Step 5: Solve for x
    x = 3,094,866,849,963.60/2,247,651
  6. Step 6: Final answer
    x = 1,376,933.90

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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.