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Finding the Fourth Proportional to 554,222.76, 764,882.19 and 336,414.21

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Solution

The fourth proportional to 554,222.76, 764,882.19 and 336,414.21 is: 464,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,222.76 : 764,882.19 = 336,414.21 : x
  2. Step 2: Convert to fraction form
    554,222.76/764,882.19 = 336,414.21/x
  3. Step 3: Cross multiply
    554,222.76x = 764,882.19 × 336,414.21
  4. Step 4: Simplify right side
    554,222.76x = 257,317,237,691.92
  5. Step 5: Solve for x
    x = 257,317,237,691.92/554,222.76
  6. Step 6: Final answer
    x = 464,284.86

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Double scale
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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.