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Finding the Fourth Proportional to 662,896.18, 914,802.90 and 376,422.22

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Solution

The fourth proportional to 662,896.18, 914,802.90 and 376,422.22 is: 519,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,896.18 : 914,802.90 = 376,422.22 : x
  2. Step 2: Convert to fraction form
    662,896.18/914,802.90 = 376,422.22/x
  3. Step 3: Cross multiply
    662,896.18x = 914,802.90 × 376,422.22
  4. Step 4: Simplify right side
    662,896.18x = 344,352,138,480.44
  5. Step 5: Solve for x
    x = 344,352,138,480.44/662,896.18
  6. Step 6: Final answer
    x = 519,466.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.