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Finding the Fourth Proportional to 516,888.27, 713,201.22 and 301,986.81

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Solution

The fourth proportional to 516,888.27, 713,201.22 and 301,986.81 is: 416,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,888.27 : 713,201.22 = 301,986.81 : x
  2. Step 2: Convert to fraction form
    516,888.27/713,201.22 = 301,986.81/x
  3. Step 3: Cross multiply
    516,888.27x = 713,201.22 × 301,986.81
  4. Step 4: Simplify right side
    516,888.27x = 215,377,361,315.91
  5. Step 5: Solve for x
    x = 215,377,361,315.91/516,888.27
  6. Step 6: Final answer
    x = 416,680.69

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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.