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Finding the Fourth Proportional to 1,224,866.22, 1,837,180.52 and 371,945.28

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Solution

The fourth proportional to 1,224,866.22, 1,837,180.52 and 371,945.28 is: 557,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,866.22 : 1,837,180.52 = 371,945.28 : x
  2. Step 2: Convert to fraction form
    1,224,866.22/1,837,180.52 = 371,945.28/x
  3. Step 3: Cross multiply
    1,224,866.22x = 1,837,180.52 × 371,945.28
  4. Step 4: Simplify right side
    1,224,866.22x = 683,330,622,921.95
  5. Step 5: Solve for x
    x = 683,330,622,921.95/1,224,866.22
  6. Step 6: Final answer
    x = 557,881.84

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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.