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Finding the Fourth Proportional to 425,544.48, 638,247.60 and 200,904.48

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Solution

The fourth proportional to 425,544.48, 638,247.60 and 200,904.48 is: 301,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,544.48 : 638,247.60 = 200,904.48 : x
  2. Step 2: Convert to fraction form
    425,544.48/638,247.60 = 200,904.48/x
  3. Step 3: Cross multiply
    425,544.48x = 638,247.60 × 200,904.48
  4. Step 4: Simplify right side
    425,544.48x = 128,226,802,189.25
  5. Step 5: Solve for x
    x = 128,226,802,189.25/425,544.48
  6. Step 6: Final answer
    x = 301,324.09

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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.