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Finding the Fourth Proportional to 377,073.54, 520,363.44 and 207,318.60

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Solution

The fourth proportional to 377,073.54, 520,363.44 and 207,318.60 is: 286,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,073.54 : 520,363.44 = 207,318.60 : x
  2. Step 2: Convert to fraction form
    377,073.54/520,363.44 = 207,318.60/x
  3. Step 3: Cross multiply
    377,073.54x = 520,363.44 × 207,318.60
  4. Step 4: Simplify right side
    377,073.54x = 107,881,019,871.98
  5. Step 5: Solve for x
    x = 107,881,019,871.98/377,073.54
  6. Step 6: Final answer
    x = 286,100.74

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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.