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Finding the Fourth Proportional to 548,513.60, 822,770.40 and 174,574.40

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Solution

The fourth proportional to 548,513.60, 822,770.40 and 174,574.40 is: 261,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,513.60 : 822,770.40 = 174,574.40 : x
  2. Step 2: Convert to fraction form
    548,513.60/822,770.40 = 174,574.40/x
  3. Step 3: Cross multiply
    548,513.60x = 822,770.40 × 174,574.40
  4. Step 4: Simplify right side
    548,513.60x = 143,634,648,917.76
  5. Step 5: Solve for x
    x = 143,634,648,917.76/548,513.60
  6. Step 6: Final answer
    x = 261,861.60

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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.