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Finding the Fourth Proportional to 425,125.77, 586,661.58 and 231,529.11

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Solution

The fourth proportional to 425,125.77, 586,661.58 and 231,529.11 is: 319,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,125.77 : 586,661.58 = 231,529.11 : x
  2. Step 2: Convert to fraction form
    425,125.77/586,661.58 = 231,529.11/x
  3. Step 3: Cross multiply
    425,125.77x = 586,661.58 × 231,529.11
  4. Step 4: Simplify right side
    425,125.77x = 135,829,233,488.59
  5. Step 5: Solve for x
    x = 135,829,233,488.59/425,125.77
  6. Step 6: Final answer
    x = 319,503.65

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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.