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Finding the Fourth Proportional to 516,996.33, 775,494.78 and 236,316.75

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Solution

The fourth proportional to 516,996.33, 775,494.78 and 236,316.75 is: 354,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,996.33 : 775,494.78 = 236,316.75 : x
  2. Step 2: Convert to fraction form
    516,996.33/775,494.78 = 236,316.75/x
  3. Step 3: Cross multiply
    516,996.33x = 775,494.78 × 236,316.75
  4. Step 4: Simplify right side
    516,996.33x = 183,262,406,051.57
  5. Step 5: Solve for x
    x = 183,262,406,051.57/516,996.33
  6. Step 6: Final answer
    x = 354,475.26

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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.