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Finding the Fourth Proportional to 548,572.90, 822,111.95 and 264,242.74

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Solution

The fourth proportional to 548,572.90, 822,111.95 and 264,242.74 is: 396,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,572.90 : 822,111.95 = 264,242.74 : x
  2. Step 2: Convert to fraction form
    548,572.90/822,111.95 = 264,242.74/x
  3. Step 3: Cross multiply
    548,572.90x = 822,111.95 × 264,242.74
  4. Step 4: Simplify right side
    548,572.90x = 217,237,114,254.74
  5. Step 5: Solve for x
    x = 217,237,114,254.74/548,572.90
  6. Step 6: Final answer
    x = 396,004.09

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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.