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Finding the Fourth Proportional to 576,012.94, 795,196.71 and 420,789.94

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Solution

The fourth proportional to 576,012.94, 795,196.71 and 420,789.94 is: 580,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,012.94 : 795,196.71 = 420,789.94 : x
  2. Step 2: Convert to fraction form
    576,012.94/795,196.71 = 420,789.94/x
  3. Step 3: Cross multiply
    576,012.94x = 795,196.71 × 420,789.94
  4. Step 4: Simplify right side
    576,012.94x = 334,610,773,901.11
  5. Step 5: Solve for x
    x = 334,610,773,901.11/576,012.94
  6. Step 6: Final answer
    x = 580,908.43

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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.