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Finding the Fourth Proportional to 607,324.10, 910,986.15 and 274,900.10

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Solution

The fourth proportional to 607,324.10, 910,986.15 and 274,900.10 is: 412,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,324.10 : 910,986.15 = 274,900.10 : x
  2. Step 2: Convert to fraction form
    607,324.10/910,986.15 = 274,900.10/x
  3. Step 3: Cross multiply
    607,324.10x = 910,986.15 × 274,900.10
  4. Step 4: Simplify right side
    607,324.10x = 250,430,183,733.62
  5. Step 5: Solve for x
    x = 250,430,183,733.62/607,324.10
  6. Step 6: Final answer
    x = 412,350.15

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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.