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Finding the Fourth Proportional to 416,993.13, 575,453.43 and 226,009.71

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Solution

The fourth proportional to 416,993.13, 575,453.43 and 226,009.71 is: 311,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,993.13 : 575,453.43 = 226,009.71 : x
  2. Step 2: Convert to fraction form
    416,993.13/575,453.43 = 226,009.71/x
  3. Step 3: Cross multiply
    416,993.13x = 575,453.43 × 226,009.71
  4. Step 4: Simplify right side
    416,993.13x = 130,058,062,832.81
  5. Step 5: Solve for x
    x = 130,058,062,832.81/416,993.13
  6. Step 6: Final answer
    x = 311,894.98

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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.