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Finding the Fourth Proportional to 544,982.16, 816,291.72 and 263,910

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Solution

The fourth proportional to 544,982.16, 816,291.72 and 263,910 is: 395,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,982.16 : 816,291.72 = 263,910 : x
  2. Step 2: Convert to fraction form
    544,982.16/816,291.72 = 263,910/x
  3. Step 3: Cross multiply
    544,982.16x = 816,291.72 × 263,910
  4. Step 4: Simplify right side
    544,982.16x = 215,427,547,825.20
  5. Step 5: Solve for x
    x = 215,427,547,825.20/544,982.16
  6. Step 6: Final answer
    x = 395,292.84

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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.