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Finding the Fourth Proportional to 548,284.35, 820,950.30 and 548,284.35

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Solution

The fourth proportional to 548,284.35, 820,950.30 and 548,284.35 is: 820,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,284.35 : 820,950.30 = 548,284.35 : x
  2. Step 2: Convert to fraction form
    548,284.35/820,950.30 = 548,284.35/x
  3. Step 3: Cross multiply
    548,284.35x = 820,950.30 × 548,284.35
  4. Step 4: Simplify right side
    548,284.35x = 450,114,201,617.81
  5. Step 5: Solve for x
    x = 450,114,201,617.81/548,284.35
  6. Step 6: Final answer
    x = 820,950.30

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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.