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Finding the Fourth Proportional to 548,553.05, 822,533.71 and 248,870.10

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Solution

The fourth proportional to 548,553.05, 822,533.71 and 248,870.10 is: 373,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,553.05 : 822,533.71 = 248,870.10 : x
  2. Step 2: Convert to fraction form
    548,553.05/822,533.71 = 248,870.10/x
  3. Step 3: Cross multiply
    548,553.05x = 822,533.71 × 248,870.10
  4. Step 4: Simplify right side
    548,553.05x = 204,704,046,038.90
  5. Step 5: Solve for x
    x = 204,704,046,038.90/548,553.05
  6. Step 6: Final answer
    x = 373,170.92

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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.