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Finding the Fourth Proportional to 417,025.57, 575,496.13 and 226,039.09

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Solution

The fourth proportional to 417,025.57, 575,496.13 and 226,039.09 is: 311,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,025.57 : 575,496.13 = 226,039.09 : x
  2. Step 2: Convert to fraction form
    417,025.57/575,496.13 = 226,039.09/x
  3. Step 3: Cross multiply
    417,025.57x = 575,496.13 × 226,039.09
  4. Step 4: Simplify right side
    417,025.57x = 130,084,621,523.72
  5. Step 5: Solve for x
    x = 130,084,621,523.72/417,025.57
  6. Step 6: Final answer
    x = 311,934.40

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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.