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Finding the Fourth Proportional to 543,177.57, 749,550.13 and 301,460.31

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Solution

The fourth proportional to 543,177.57, 749,550.13 and 301,460.31 is: 415,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,177.57 : 749,550.13 = 301,460.31 : x
  2. Step 2: Convert to fraction form
    543,177.57/749,550.13 = 301,460.31/x
  3. Step 3: Cross multiply
    543,177.57x = 749,550.13 × 301,460.31
  4. Step 4: Simplify right side
    543,177.57x = 225,959,613,796.69
  5. Step 5: Solve for x
    x = 225,959,613,796.69/543,177.57
  6. Step 6: Final answer
    x = 415,995.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.