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Finding the Fourth Proportional to 702,058.94, 968,840.67 and 379,768.29

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Solution

The fourth proportional to 702,058.94, 968,840.67 and 379,768.29 is: 524,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,058.94 : 968,840.67 = 379,768.29 : x
  2. Step 2: Convert to fraction form
    702,058.94/968,840.67 = 379,768.29/x
  3. Step 3: Cross multiply
    702,058.94x = 968,840.67 × 379,768.29
  4. Step 4: Simplify right side
    702,058.94x = 367,934,964,528.35
  5. Step 5: Solve for x
    x = 367,934,964,528.35/702,058.94
  6. Step 6: Final answer
    x = 524,079.88

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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.