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Finding the Fourth Proportional to 544,550.61, 816,718.26 and 517,545.93

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Solution

The fourth proportional to 544,550.61, 816,718.26 and 517,545.93 is: 776,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,550.61 : 816,718.26 = 517,545.93 : x
  2. Step 2: Convert to fraction form
    544,550.61/816,718.26 = 517,545.93/x
  3. Step 3: Cross multiply
    544,550.61x = 816,718.26 × 517,545.93
  4. Step 4: Simplify right side
    544,550.61x = 422,689,211,419.68
  5. Step 5: Solve for x
    x = 422,689,211,419.68/544,550.61
  6. Step 6: Final answer
    x = 776,216.58

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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.