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Finding the Fourth Proportional to 1,961,772.94, 2,708,567.74 and 1,754,397.89

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Solution

The fourth proportional to 1,961,772.94, 2,708,567.74 and 1,754,397.89 is: 2,422,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,772.94 : 2,708,567.74 = 1,754,397.89 : x
  2. Step 2: Convert to fraction form
    1,961,772.94/2,708,567.74 = 1,754,397.89/x
  3. Step 3: Cross multiply
    1,961,772.94x = 2,708,567.74 × 1,754,397.89
  4. Step 4: Simplify right side
    1,961,772.94x = 4,751,905,527,978.07
  5. Step 5: Solve for x
    x = 4,751,905,527,978.07/1,961,772.94
  6. Step 6: Final answer
    x = 2,422,250.52

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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.