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Finding the Fourth Proportional to 562,450.12, 775,373.94 and 401,025.16

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Solution

The fourth proportional to 562,450.12, 775,373.94 and 401,025.16 is: 552,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,450.12 : 775,373.94 = 401,025.16 : x
  2. Step 2: Convert to fraction form
    562,450.12/775,373.94 = 401,025.16/x
  3. Step 3: Cross multiply
    562,450.12x = 775,373.94 × 401,025.16
  4. Step 4: Simplify right side
    562,450.12x = 310,944,458,348.33
  5. Step 5: Solve for x
    x = 310,944,458,348.33/562,450.12
  6. Step 6: Final answer
    x = 552,839.17

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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.