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Finding the Fourth Proportional to 1,224,643.04, 1,836,968.81 and 371,721.90

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Solution

The fourth proportional to 1,224,643.04, 1,836,968.81 and 371,721.90 is: 557,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,643.04 : 1,836,968.81 = 371,721.90 : x
  2. Step 2: Convert to fraction form
    1,224,643.04/1,836,968.81 = 371,721.90/x
  3. Step 3: Cross multiply
    1,224,643.04x = 1,836,968.81 × 371,721.90
  4. Step 4: Simplify right side
    1,224,643.04x = 682,841,536,293.94
  5. Step 5: Solve for x
    x = 682,841,536,293.94/1,224,643.04
  6. Step 6: Final answer
    x = 557,584.14

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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.