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Finding the Fourth Proportional to 465,391.99, 697,688.18 and 161,746.71

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Solution

The fourth proportional to 465,391.99, 697,688.18 and 161,746.71 is: 242,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,391.99 : 697,688.18 = 161,746.71 : x
  2. Step 2: Convert to fraction form
    465,391.99/697,688.18 = 161,746.71/x
  3. Step 3: Cross multiply
    465,391.99x = 697,688.18 × 161,746.71
  4. Step 4: Simplify right side
    465,391.99x = 112,848,767,720.89
  5. Step 5: Solve for x
    x = 112,848,767,720.89/465,391.99
  6. Step 6: Final answer
    x = 242,481.11

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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.