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Finding the Fourth Proportional to 303,463.95, 455,217.78 and 116,475.45

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Solution

The fourth proportional to 303,463.95, 455,217.78 and 116,475.45 is: 174,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,463.95 : 455,217.78 = 116,475.45 : x
  2. Step 2: Convert to fraction form
    303,463.95/455,217.78 = 116,475.45/x
  3. Step 3: Cross multiply
    303,463.95x = 455,217.78 × 116,475.45
  4. Step 4: Simplify right side
    303,463.95x = 53,021,695,773.50
  5. Step 5: Solve for x
    x = 53,021,695,773.50/303,463.95
  6. Step 6: Final answer
    x = 174,721.56

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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.