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Finding the Fourth Proportional to 226,325.64, 339,486.32 and 137,603.64

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Solution

The fourth proportional to 226,325.64, 339,486.32 and 137,603.64 is: 206,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,325.64 : 339,486.32 = 137,603.64 : x
  2. Step 2: Convert to fraction form
    226,325.64/339,486.32 = 137,603.64/x
  3. Step 3: Cross multiply
    226,325.64x = 339,486.32 × 137,603.64
  4. Step 4: Simplify right side
    226,325.64x = 46,714,553,362.20
  5. Step 5: Solve for x
    x = 46,714,553,362.20/226,325.64
  6. Step 6: Final answer
    x = 206,404.16

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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.