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Finding the Fourth Proportional to 417,589.64, 576,139.68 and 233,801.12

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Solution

The fourth proportional to 417,589.64, 576,139.68 and 233,801.12 is: 322,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,589.64 : 576,139.68 = 233,801.12 : x
  2. Step 2: Convert to fraction form
    417,589.64/576,139.68 = 233,801.12/x
  3. Step 3: Cross multiply
    417,589.64x = 576,139.68 × 233,801.12
  4. Step 4: Simplify right side
    417,589.64x = 134,702,102,460.44
  5. Step 5: Solve for x
    x = 134,702,102,460.44/417,589.64
  6. Step 6: Final answer
    x = 322,570.51

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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.