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Finding the Fourth Proportional to 814,057.26, 1,123,468.02 and 451,597.92

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Solution

The fourth proportional to 814,057.26, 1,123,468.02 and 451,597.92 is: 623,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,057.26 : 1,123,468.02 = 451,597.92 : x
  2. Step 2: Convert to fraction form
    814,057.26/1,123,468.02 = 451,597.92/x
  3. Step 3: Cross multiply
    814,057.26x = 1,123,468.02 × 451,597.92
  4. Step 4: Simplify right side
    814,057.26x = 507,355,821,018.52
  5. Step 5: Solve for x
    x = 507,355,821,018.52/814,057.26
  6. Step 6: Final answer
    x = 623,243.41

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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.