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Finding the Fourth Proportional to 425,183.79, 586,754.45 and 231,590.91

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Solution

The fourth proportional to 425,183.79, 586,754.45 and 231,590.91 is: 319,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,183.79 : 586,754.45 = 231,590.91 : x
  2. Step 2: Convert to fraction form
    425,183.79/586,754.45 = 231,590.91/x
  3. Step 3: Cross multiply
    425,183.79x = 586,754.45 × 231,590.91
  4. Step 4: Simplify right side
    425,183.79x = 135,886,997,601.03
  5. Step 5: Solve for x
    x = 135,886,997,601.03/425,183.79
  6. Step 6: Final answer
    x = 319,595.90

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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.