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Finding the Fourth Proportional to 550,147.60, 825,221.40 and 176,208.40

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Solution

The fourth proportional to 550,147.60, 825,221.40 and 176,208.40 is: 264,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,147.60 : 825,221.40 = 176,208.40 : x
  2. Step 2: Convert to fraction form
    550,147.60/825,221.40 = 176,208.40/x
  3. Step 3: Cross multiply
    550,147.60x = 825,221.40 × 176,208.40
  4. Step 4: Simplify right side
    550,147.60x = 145,410,942,539.76
  5. Step 5: Solve for x
    x = 145,410,942,539.76/550,147.60
  6. Step 6: Final answer
    x = 264,312.60

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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.