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Finding the Fourth Proportional to 548,419.95, 822,297.78 and 358,651.26

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Solution

The fourth proportional to 548,419.95, 822,297.78 and 358,651.26 is: 537,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,419.95 : 822,297.78 = 358,651.26 : x
  2. Step 2: Convert to fraction form
    548,419.95/822,297.78 = 358,651.26/x
  3. Step 3: Cross multiply
    548,419.95x = 822,297.78 × 358,651.26
  4. Step 4: Simplify right side
    548,419.95x = 294,918,134,892.20
  5. Step 5: Solve for x
    x = 294,918,134,892.20/548,419.95
  6. Step 6: Final answer
    x = 537,759.68

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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.