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Finding the Fourth Proportional to 544,775.44, 817,160.44 and 139,967.20

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Solution

The fourth proportional to 544,775.44, 817,160.44 and 139,967.20 is: 209,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,775.44 : 817,160.44 = 139,967.20 : x
  2. Step 2: Convert to fraction form
    544,775.44/817,160.44 = 139,967.20/x
  3. Step 3: Cross multiply
    544,775.44x = 817,160.44 × 139,967.20
  4. Step 4: Simplify right side
    544,775.44x = 114,375,658,737.57
  5. Step 5: Solve for x
    x = 114,375,658,737.57/544,775.44
  6. Step 6: Final answer
    x = 209,950.10

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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.