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Finding the Fourth Proportional to 516,997.83, 775,497.03 and 236,318.25

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Solution

The fourth proportional to 516,997.83, 775,497.03 and 236,318.25 is: 354,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,997.83 : 775,497.03 = 236,318.25 : x
  2. Step 2: Convert to fraction form
    516,997.83/775,497.03 = 236,318.25/x
  3. Step 3: Cross multiply
    516,997.83x = 775,497.03 × 236,318.25
  4. Step 4: Simplify right side
    516,997.83x = 183,264,101,009.80
  5. Step 5: Solve for x
    x = 183,264,101,009.80/516,997.83
  6. Step 6: Final answer
    x = 354,477.51

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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.