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Finding the Fourth Proportional to 571,189.58, 856,793.46 and 216,108.26

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Solution

The fourth proportional to 571,189.58, 856,793.46 and 216,108.26 is: 324,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,189.58 : 856,793.46 = 216,108.26 : x
  2. Step 2: Convert to fraction form
    571,189.58/856,793.46 = 216,108.26/x
  3. Step 3: Cross multiply
    571,189.58x = 856,793.46 × 216,108.26
  4. Step 4: Simplify right side
    571,189.58x = 185,160,139,536.01
  5. Step 5: Solve for x
    x = 185,160,139,536.01/571,189.58
  6. Step 6: Final answer
    x = 324,165.82

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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.