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Finding the Fourth Proportional to 638,556.66, 957,557.39 and 183,047.58

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Solution

The fourth proportional to 638,556.66, 957,557.39 and 183,047.58 is: 274,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,556.66 : 957,557.39 = 183,047.58 : x
  2. Step 2: Convert to fraction form
    638,556.66/957,557.39 = 183,047.58/x
  3. Step 3: Cross multiply
    638,556.66x = 957,557.39 × 183,047.58
  4. Step 4: Simplify right side
    638,556.66x = 175,278,562,035.38
  5. Step 5: Solve for x
    x = 175,278,562,035.38/638,556.66
  6. Step 6: Final answer
    x = 274,491.79

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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.