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Finding the Fourth Proportional to 377,545.60, 521,024.74 and 214,208.98

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Solution

The fourth proportional to 377,545.60, 521,024.74 and 214,208.98 is: 295,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,545.60 : 521,024.74 = 214,208.98 : x
  2. Step 2: Convert to fraction form
    377,545.60/521,024.74 = 214,208.98/x
  3. Step 3: Cross multiply
    377,545.60x = 521,024.74 × 214,208.98
  4. Step 4: Simplify right side
    377,545.60x = 111,608,179,611.94
  5. Step 5: Solve for x
    x = 111,608,179,611.94/377,545.60
  6. Step 6: Final answer
    x = 295,615.10

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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.