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Finding the Fourth Proportional to 617,818.47, 927,106.50 and 276,550.46

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Solution

The fourth proportional to 617,818.47, 927,106.50 and 276,550.46 is: 414,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,818.47 : 927,106.50 = 276,550.46 : x
  2. Step 2: Convert to fraction form
    617,818.47/927,106.50 = 276,550.46/x
  3. Step 3: Cross multiply
    617,818.47x = 927,106.50 × 276,550.46
  4. Step 4: Simplify right side
    617,818.47x = 256,391,723,717.08
  5. Step 5: Solve for x
    x = 256,391,723,717.08/617,818.47
  6. Step 6: Final answer
    x = 414,995.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.