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Finding the Fourth Proportional to 516,900.08, 713,217.56 and 301,998.65

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Solution

The fourth proportional to 516,900.08, 713,217.56 and 301,998.65 is: 416,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,900.08 : 713,217.56 = 301,998.65 : x
  2. Step 2: Convert to fraction form
    516,900.08/713,217.56 = 301,998.65/x
  3. Step 3: Cross multiply
    516,900.08x = 713,217.56 × 301,998.65
  4. Step 4: Simplify right side
    516,900.08x = 215,390,735,200.21
  5. Step 5: Solve for x
    x = 215,390,735,200.21/516,900.08
  6. Step 6: Final answer
    x = 416,697.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.