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Finding the Fourth Proportional to 377,092.96, 520,390.56 and 207,328.48

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Solution

The fourth proportional to 377,092.96, 520,390.56 and 207,328.48 is: 286,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,092.96 : 520,390.56 = 207,328.48 : x
  2. Step 2: Convert to fraction form
    377,092.96/520,390.56 = 207,328.48/x
  3. Step 3: Cross multiply
    377,092.96x = 520,390.56 × 207,328.48
  4. Step 4: Simplify right side
    377,092.96x = 107,891,783,811.15
  5. Step 5: Solve for x
    x = 107,891,783,811.15/377,092.96
  6. Step 6: Final answer
    x = 286,114.55

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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.