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Finding the Fourth Proportional to 425,124.66, 586,628.62 and 261,755.22

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Solution

The fourth proportional to 425,124.66, 586,628.62 and 261,755.22 is: 361,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,124.66 : 586,628.62 = 261,755.22 : x
  2. Step 2: Convert to fraction form
    425,124.66/586,628.62 = 261,755.22/x
  3. Step 3: Cross multiply
    425,124.66x = 586,628.62 × 261,755.22
  4. Step 4: Simplify right side
    425,124.66x = 153,553,102,832.01
  5. Step 5: Solve for x
    x = 153,553,102,832.01/425,124.66
  6. Step 6: Final answer
    x = 361,195.47

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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.