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Finding the Fourth Proportional to 844,464.16, 1,264,686 and 488,728.48

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Solution

The fourth proportional to 844,464.16, 1,264,686 and 488,728.48 is: 731,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,464.16 : 1,264,686 = 488,728.48 : x
  2. Step 2: Convert to fraction form
    844,464.16/1,264,686 = 488,728.48/x
  3. Step 3: Cross multiply
    844,464.16x = 1,264,686 × 488,728.48
  4. Step 4: Simplify right side
    844,464.16x = 618,088,066,457.28
  5. Step 5: Solve for x
    x = 618,088,066,457.28/844,464.16
  6. Step 6: Final answer
    x = 731,929.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.