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Finding the Fourth Proportional to 571,188.83, 856,792.34 and 216,107.51

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Solution

The fourth proportional to 571,188.83, 856,792.34 and 216,107.51 is: 324,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,188.83 : 856,792.34 = 216,107.51 : x
  2. Step 2: Convert to fraction form
    571,188.83/856,792.34 = 216,107.51/x
  3. Step 3: Cross multiply
    571,188.83x = 856,792.34 × 216,107.51
  4. Step 4: Simplify right side
    571,188.83x = 185,159,253,819.97
  5. Step 5: Solve for x
    x = 185,159,253,819.97/571,188.83
  6. Step 6: Final answer
    x = 324,164.70

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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.