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Finding the Fourth Proportional to 422,522.52, 583,095.28 and 231,534.24

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Solution

The fourth proportional to 422,522.52, 583,095.28 and 231,534.24 is: 319,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,522.52 : 583,095.28 = 231,534.24 : x
  2. Step 2: Convert to fraction form
    422,522.52/583,095.28 = 231,534.24/x
  3. Step 3: Cross multiply
    422,522.52x = 583,095.28 × 231,534.24
  4. Step 4: Simplify right side
    422,522.52x = 135,006,522,502.39
  5. Step 5: Solve for x
    x = 135,006,522,502.39/422,522.52
  6. Step 6: Final answer
    x = 319,525.03

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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.