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Finding the Fourth Proportional to 517,992.17, 777,108.42 and 162,996.93

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Solution

The fourth proportional to 517,992.17, 777,108.42 and 162,996.93 is: 244,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,992.17 : 777,108.42 = 162,996.93 : x
  2. Step 2: Convert to fraction form
    517,992.17/777,108.42 = 162,996.93/x
  3. Step 3: Cross multiply
    517,992.17x = 777,108.42 × 162,996.93
  4. Step 4: Simplify right side
    517,992.17x = 126,666,286,737.15
  5. Step 5: Solve for x
    x = 126,666,286,737.15/517,992.17
  6. Step 6: Final answer
    x = 244,533.21

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1.5x scale

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.