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Finding the Fourth Proportional to 702,067.07, 968,851.45 and 379,776.17

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Solution

The fourth proportional to 702,067.07, 968,851.45 and 379,776.17 is: 524,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,067.07 : 968,851.45 = 379,776.17 : x
  2. Step 2: Convert to fraction form
    702,067.07/968,851.45 = 379,776.17/x
  3. Step 3: Cross multiply
    702,067.07x = 968,851.45 × 379,776.17
  4. Step 4: Simplify right side
    702,067.07x = 367,946,692,979.95
  5. Step 5: Solve for x
    x = 367,946,692,979.95/702,067.07
  6. Step 6: Final answer
    x = 524,090.52

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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.