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Finding the Fourth Proportional to 617,802.74, 927,359.13 and 547,183.81

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Solution

The fourth proportional to 617,802.74, 927,359.13 and 547,183.81 is: 821,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,802.74 : 927,359.13 = 547,183.81 : x
  2. Step 2: Convert to fraction form
    617,802.74/927,359.13 = 547,183.81/x
  3. Step 3: Cross multiply
    617,802.74x = 927,359.13 × 547,183.81
  4. Step 4: Simplify right side
    617,802.74x = 507,435,896,908.52
  5. Step 5: Solve for x
    x = 507,435,896,908.52/617,802.74
  6. Step 6: Final answer
    x = 821,355.85

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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.