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Finding the Fourth Proportional to 377,092.54, 520,389.66 and 207,337.60

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Solution

The fourth proportional to 377,092.54, 520,389.66 and 207,337.60 is: 286,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,092.54 : 520,389.66 = 207,337.60 : x
  2. Step 2: Convert to fraction form
    377,092.54/520,389.66 = 207,337.60/x
  3. Step 3: Cross multiply
    377,092.54x = 520,389.66 × 207,337.60
  4. Step 4: Simplify right side
    377,092.54x = 107,896,343,169.22
  5. Step 5: Solve for x
    x = 107,896,343,169.22/377,092.54
  6. Step 6: Final answer
    x = 286,126.96

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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.