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Finding the Fourth Proportional to 562,545.54, 776,282.94 and 307,847.52

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Solution

The fourth proportional to 562,545.54, 776,282.94 and 307,847.52 is: 424,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,545.54 : 776,282.94 = 307,847.52 : x
  2. Step 2: Convert to fraction form
    562,545.54/776,282.94 = 307,847.52/x
  3. Step 3: Cross multiply
    562,545.54x = 776,282.94 × 307,847.52
  4. Step 4: Simplify right side
    562,545.54x = 238,976,777,897.31
  5. Step 5: Solve for x
    x = 238,976,777,897.31/562,545.54
  6. Step 6: Final answer
    x = 424,813.21

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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.