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Finding the Fourth Proportional to 477,033.48, 715,583.34 and 161,383.68

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Solution

The fourth proportional to 477,033.48, 715,583.34 and 161,383.68 is: 242,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,033.48 : 715,583.34 = 161,383.68 : x
  2. Step 2: Convert to fraction form
    477,033.48/715,583.34 = 161,383.68/x
  3. Step 3: Cross multiply
    477,033.48x = 715,583.34 × 161,383.68
  4. Step 4: Simplify right side
    477,033.48x = 115,483,472,755.89
  5. Step 5: Solve for x
    x = 115,483,472,755.89/477,033.48
  6. Step 6: Final answer
    x = 242,086.72

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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.