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Finding the Fourth Proportional to 548,308.80, 822,520.80 and 174,244.80

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Solution

The fourth proportional to 548,308.80, 822,520.80 and 174,244.80 is: 261,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,308.80 : 822,520.80 = 174,244.80 : x
  2. Step 2: Convert to fraction form
    548,308.80/822,520.80 = 174,244.80/x
  3. Step 3: Cross multiply
    548,308.80x = 822,520.80 × 174,244.80
  4. Step 4: Simplify right side
    548,308.80x = 143,319,972,291.84
  5. Step 5: Solve for x
    x = 143,319,972,291.84/548,308.80
  6. Step 6: Final answer
    x = 261,385.50

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1.5x scale

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.