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Finding the Fourth Proportional to 554,475.34, 765,176.76 and 299,826.52

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Solution

The fourth proportional to 554,475.34, 765,176.76 and 299,826.52 is: 413,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,475.34 : 765,176.76 = 299,826.52 : x
  2. Step 2: Convert to fraction form
    554,475.34/765,176.76 = 299,826.52/x
  3. Step 3: Cross multiply
    554,475.34x = 765,176.76 × 299,826.52
  4. Step 4: Simplify right side
    554,475.34x = 229,420,285,135.68
  5. Step 5: Solve for x
    x = 229,420,285,135.68/554,475.34
  6. Step 6: Final answer
    x = 413,761.03

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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.