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Finding the Fourth Proportional to 529,763.48, 794,645.21 and 155,786.48

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Solution

The fourth proportional to 529,763.48, 794,645.21 and 155,786.48 is: 233,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,763.48 : 794,645.21 = 155,786.48 : x
  2. Step 2: Convert to fraction form
    529,763.48/794,645.21 = 155,786.48/x
  3. Step 3: Cross multiply
    529,763.48x = 794,645.21 × 155,786.48
  4. Step 4: Simplify right side
    529,763.48x = 123,794,975,362.60
  5. Step 5: Solve for x
    x = 123,794,975,362.60/529,763.48
  6. Step 6: Final answer
    x = 233,679.71

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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.