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Finding the Fourth Proportional to 550,542.80, 825,814.20 and 176,603.60

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Solution

The fourth proportional to 550,542.80, 825,814.20 and 176,603.60 is: 264,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,542.80 : 825,814.20 = 176,603.60 : x
  2. Step 2: Convert to fraction form
    550,542.80/825,814.20 = 176,603.60/x
  3. Step 3: Cross multiply
    550,542.80x = 825,814.20 × 176,603.60
  4. Step 4: Simplify right side
    550,542.80x = 145,841,760,651.12
  5. Step 5: Solve for x
    x = 145,841,760,651.12/550,542.80
  6. Step 6: Final answer
    x = 264,905.40

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Similar ratio
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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.