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Finding the Fourth Proportional to 544,521.13, 816,782.51 and 212,097.13

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Solution

The fourth proportional to 544,521.13, 816,782.51 and 212,097.13 is: 318,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,521.13 : 816,782.51 = 212,097.13 : x
  2. Step 2: Convert to fraction form
    544,521.13/816,782.51 = 212,097.13/x
  3. Step 3: Cross multiply
    544,521.13x = 816,782.51 × 212,097.13
  4. Step 4: Simplify right side
    544,521.13x = 173,237,226,205.20
  5. Step 5: Solve for x
    x = 173,237,226,205.20/544,521.13
  6. Step 6: Final answer
    x = 318,146.01

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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.