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Finding the Fourth Proportional to 551,490.60, 827,235.90 and 177,513.60

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Solution

The fourth proportional to 551,490.60, 827,235.90 and 177,513.60 is: 266,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,490.60 : 827,235.90 = 177,513.60 : x
  2. Step 2: Convert to fraction form
    551,490.60/827,235.90 = 177,513.60/x
  3. Step 3: Cross multiply
    551,490.60x = 827,235.90 × 177,513.60
  4. Step 4: Simplify right side
    551,490.60x = 146,845,622,658.24
  5. Step 5: Solve for x
    x = 146,845,622,658.24/551,490.60
  6. Step 6: Final answer
    x = 266,270.40

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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.