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Finding the Fourth Proportional to 702,017.47, 968,784.23 and 379,727.47

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Solution

The fourth proportional to 702,017.47, 968,784.23 and 379,727.47 is: 524,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,017.47 : 968,784.23 = 379,727.47 : x
  2. Step 2: Convert to fraction form
    702,017.47/968,784.23 = 379,727.47/x
  3. Step 3: Cross multiply
    702,017.47x = 968,784.23 × 379,727.47
  4. Step 4: Simplify right side
    702,017.47x = 367,873,982,735.16
  5. Step 5: Solve for x
    x = 367,873,982,735.16/702,017.47
  6. Step 6: Final answer
    x = 524,023.97

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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.