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Finding the Fourth Proportional to 504,010.90, 756,016.35 and 171,586.90

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Solution

The fourth proportional to 504,010.90, 756,016.35 and 171,586.90 is: 257,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.90 : 756,016.35 = 171,586.90 : x
  2. Step 2: Convert to fraction form
    504,010.90/756,016.35 = 171,586.90/x
  3. Step 3: Cross multiply
    504,010.90x = 756,016.35 × 171,586.90
  4. Step 4: Simplify right side
    504,010.90x = 129,722,501,845.82
  5. Step 5: Solve for x
    x = 129,722,501,845.82/504,010.90
  6. Step 6: Final answer
    x = 257,380.35

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Double scale
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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.