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Finding the Fourth Proportional to 1,759,969, 2,428,757.22 and 955,153

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Solution

The fourth proportional to 1,759,969, 2,428,757.22 and 955,153 is: 1,318,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,969 : 2,428,757.22 = 955,153 : x
  2. Step 2: Convert to fraction form
    1,759,969/2,428,757.22 = 955,153/x
  3. Step 3: Cross multiply
    1,759,969x = 2,428,757.22 × 955,153
  4. Step 4: Simplify right side
    1,759,969x = 2,319,834,744,954.66
  5. Step 5: Solve for x
    x = 2,319,834,744,954.66/1,759,969
  6. Step 6: Final answer
    x = 1,318,111.14

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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.