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Finding the Fourth Proportional to 429,703.68, 593,006.56 and 248,472.48

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Solution

The fourth proportional to 429,703.68, 593,006.56 and 248,472.48 is: 342,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,703.68 : 593,006.56 = 248,472.48 : x
  2. Step 2: Convert to fraction form
    429,703.68/593,006.56 = 248,472.48/x
  3. Step 3: Cross multiply
    429,703.68x = 593,006.56 × 248,472.48
  4. Step 4: Simplify right side
    429,703.68x = 147,345,810,619.47
  5. Step 5: Solve for x
    x = 147,345,810,619.47/429,703.68
  6. Step 6: Final answer
    x = 342,900.97

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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.