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Finding the Fourth Proportional to 621,339.66, 927,473.49 and 533,159.82

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Solution

The fourth proportional to 621,339.66, 927,473.49 and 533,159.82 is: 795,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,339.66 : 927,473.49 = 533,159.82 : x
  2. Step 2: Convert to fraction form
    621,339.66/927,473.49 = 533,159.82/x
  3. Step 3: Cross multiply
    621,339.66x = 927,473.49 × 533,159.82
  4. Step 4: Simplify right side
    621,339.66x = 494,491,598,983.17
  5. Step 5: Solve for x
    x = 494,491,598,983.17/621,339.66
  6. Step 6: Final answer
    x = 795,847.47

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.