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Finding the Fourth Proportional to 417,879.47, 576,709.37 and 236,623.34

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Solution

The fourth proportional to 417,879.47, 576,709.37 and 236,623.34 is: 326,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,879.47 : 576,709.37 = 236,623.34 : x
  2. Step 2: Convert to fraction form
    417,879.47/576,709.37 = 236,623.34/x
  3. Step 3: Cross multiply
    417,879.47x = 576,709.37 × 236,623.34
  4. Step 4: Simplify right side
    417,879.47x = 136,462,893,272.03
  5. Step 5: Solve for x
    x = 136,462,893,272.03/417,879.47
  6. Step 6: Final answer
    x = 326,560.42

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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.