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Finding the Fourth Proportional to 460,740.81, 691,064.49 and 123,737.67

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Solution

The fourth proportional to 460,740.81, 691,064.49 and 123,737.67 is: 185,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,740.81 : 691,064.49 = 123,737.67 : x
  2. Step 2: Convert to fraction form
    460,740.81/691,064.49 = 123,737.67/x
  3. Step 3: Cross multiply
    460,740.81x = 691,064.49 × 123,737.67
  4. Step 4: Simplify right side
    460,740.81x = 85,510,709,812.34
  5. Step 5: Solve for x
    x = 85,510,709,812.34/460,740.81
  6. Step 6: Final answer
    x = 185,593.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.