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Finding the Fourth Proportional to 548,419.45, 822,297.03 and 358,650.76

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Solution

The fourth proportional to 548,419.45, 822,297.03 and 358,650.76 is: 537,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,419.45 : 822,297.03 = 358,650.76 : x
  2. Step 2: Convert to fraction form
    548,419.45/822,297.03 = 358,650.76/x
  3. Step 3: Cross multiply
    548,419.45x = 822,297.03 × 358,650.76
  4. Step 4: Simplify right side
    548,419.45x = 294,917,454,755.24
  5. Step 5: Solve for x
    x = 294,917,454,755.24/548,419.45
  6. Step 6: Final answer
    x = 537,758.93

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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.