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Finding the Fourth Proportional to 403,983.10, 566,626.10 and 403,983.10

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Solution

The fourth proportional to 403,983.10, 566,626.10 and 403,983.10 is: 566,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,983.10 : 566,626.10 = 403,983.10 : x
  2. Step 2: Convert to fraction form
    403,983.10/566,626.10 = 403,983.10/x
  3. Step 3: Cross multiply
    403,983.10x = 566,626.10 × 403,983.10
  4. Step 4: Simplify right side
    403,983.10x = 228,907,368,418.91
  5. Step 5: Solve for x
    x = 228,907,368,418.91/403,983.10
  6. Step 6: Final answer
    x = 566,626.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.