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Finding the Fourth Proportional to 372,574.41, 558,548.15 and 162,053.79

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Solution

The fourth proportional to 372,574.41, 558,548.15 and 162,053.79 is: 242,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,574.41 : 558,548.15 = 162,053.79 : x
  2. Step 2: Convert to fraction form
    372,574.41/558,548.15 = 162,053.79/x
  3. Step 3: Cross multiply
    372,574.41x = 558,548.15 × 162,053.79
  4. Step 4: Simplify right side
    372,574.41x = 90,514,844,604.99
  5. Step 5: Solve for x
    x = 90,514,844,604.99/372,574.41
  6. Step 6: Final answer
    x = 242,944.34

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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.