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Finding the Fourth Proportional to 702,092.75, 968,887.49 and 379,803.10

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Solution

The fourth proportional to 702,092.75, 968,887.49 and 379,803.10 is: 524,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,092.75 : 968,887.49 = 379,803.10 : x
  2. Step 2: Convert to fraction form
    702,092.75/968,887.49 = 379,803.10/x
  3. Step 3: Cross multiply
    702,092.75x = 968,887.49 × 379,803.10
  4. Step 4: Simplify right side
    702,092.75x = 367,986,470,780.51
  5. Step 5: Solve for x
    x = 367,986,470,780.51/702,092.75
  6. Step 6: Final answer
    x = 524,128.01

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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.