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Finding the Fourth Proportional to 1,794,734.83, 2,476,734.07 and 978,938.47

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Solution

The fourth proportional to 1,794,734.83, 2,476,734.07 and 978,938.47 is: 1,350,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,734.83 : 2,476,734.07 = 978,938.47 : x
  2. Step 2: Convert to fraction form
    1,794,734.83/2,476,734.07 = 978,938.47/x
  3. Step 3: Cross multiply
    1,794,734.83x = 2,476,734.07 × 978,938.47
  4. Step 4: Simplify right side
    1,794,734.83x = 2,424,570,248,699.00
  5. Step 5: Solve for x
    x = 2,424,570,248,699.00/1,794,734.83
  6. Step 6: Final answer
    x = 1,350,935.09

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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.