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Finding the Fourth Proportional to 356,647.88, 492,332.34 and 227,755.22

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Solution

The fourth proportional to 356,647.88, 492,332.34 and 227,755.22 is: 314,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,647.88 : 492,332.34 = 227,755.22 : x
  2. Step 2: Convert to fraction form
    356,647.88/492,332.34 = 227,755.22/x
  3. Step 3: Cross multiply
    356,647.88x = 492,332.34 × 227,755.22
  4. Step 4: Simplify right side
    356,647.88x = 112,131,258,802.24
  5. Step 5: Solve for x
    x = 112,131,258,802.24/356,647.88
  6. Step 6: Final answer
    x = 314,403.27

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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.