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Finding the Fourth Proportional to 512,789.46, 707,476.17 and 297,752.68

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Solution

The fourth proportional to 512,789.46, 707,476.17 and 297,752.68 is: 410,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,789.46 : 707,476.17 = 297,752.68 : x
  2. Step 2: Convert to fraction form
    512,789.46/707,476.17 = 297,752.68/x
  3. Step 3: Cross multiply
    512,789.46x = 707,476.17 × 297,752.68
  4. Step 4: Simplify right side
    512,789.46x = 210,652,925,653.64
  5. Step 5: Solve for x
    x = 210,652,925,653.64/512,789.46
  6. Step 6: Final answer
    x = 410,798.08

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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.