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Finding the Fourth Proportional to 1,376,635.04, 1,899,809.66 and 941,963.54

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Solution

The fourth proportional to 1,376,635.04, 1,899,809.66 and 941,963.54 is: 1,299,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,635.04 : 1,899,809.66 = 941,963.54 : x
  2. Step 2: Convert to fraction form
    1,376,635.04/1,899,809.66 = 941,963.54/x
  3. Step 3: Cross multiply
    1,376,635.04x = 1,899,809.66 × 941,963.54
  4. Step 4: Simplify right side
    1,376,635.04x = 1,789,551,432,659.80
  5. Step 5: Solve for x
    x = 1,789,551,432,659.80/1,376,635.04
  6. Step 6: Final answer
    x = 1,299,946.16

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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.