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Finding the Fourth Proportional to 663,117.48, 994,683 and 530,838.60

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Solution

The fourth proportional to 663,117.48, 994,683 and 530,838.60 is: 796,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,117.48 : 994,683 = 530,838.60 : x
  2. Step 2: Convert to fraction form
    663,117.48/994,683 = 530,838.60/x
  3. Step 3: Cross multiply
    663,117.48x = 994,683 × 530,838.60
  4. Step 4: Simplify right side
    663,117.48x = 528,016,131,163.80
  5. Step 5: Solve for x
    x = 528,016,131,163.80/663,117.48
  6. Step 6: Final answer
    x = 796,263.33

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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.