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Finding the Fourth Proportional to 515,600.56, 773,400.84 and 160,643.26

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Solution

The fourth proportional to 515,600.56, 773,400.84 and 160,643.26 is: 240,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,600.56 : 773,400.84 = 160,643.26 : x
  2. Step 2: Convert to fraction form
    515,600.56/773,400.84 = 160,643.26/x
  3. Step 3: Cross multiply
    515,600.56x = 773,400.84 × 160,643.26
  4. Step 4: Simplify right side
    515,600.56x = 124,241,632,224.34
  5. Step 5: Solve for x
    x = 124,241,632,224.34/515,600.56
  6. Step 6: Final answer
    x = 240,964.89

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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.