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Finding the Fourth Proportional to 425,126.27, 586,662.27 and 231,529.61

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Solution

The fourth proportional to 425,126.27, 586,662.27 and 231,529.61 is: 319,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,126.27 : 586,662.27 = 231,529.61 : x
  2. Step 2: Convert to fraction form
    425,126.27/586,662.27 = 231,529.61/x
  3. Step 3: Cross multiply
    425,126.27x = 586,662.27 × 231,529.61
  4. Step 4: Simplify right side
    425,126.27x = 135,829,686,574.82
  5. Step 5: Solve for x
    x = 135,829,686,574.82/425,126.27
  6. Step 6: Final answer
    x = 319,504.34

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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.