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Finding the Fourth Proportional to 1,973,865.79, 2,961,081.11 and 607,755.07

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Solution

The fourth proportional to 1,973,865.79, 2,961,081.11 and 607,755.07 is: 911,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,865.79 : 2,961,081.11 = 607,755.07 : x
  2. Step 2: Convert to fraction form
    1,973,865.79/2,961,081.11 = 607,755.07/x
  3. Step 3: Cross multiply
    1,973,865.79x = 2,961,081.11 × 607,755.07
  4. Step 4: Simplify right side
    1,973,865.79x = 1,799,612,057,283.73
  5. Step 5: Solve for x
    x = 1,799,612,057,283.73/1,973,865.79
  6. Step 6: Final answer
    x = 911,719.56

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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.