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Finding the Fourth Proportional to 517,266.58, 774,891.24 and 291,945.46

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Solution

The fourth proportional to 517,266.58, 774,891.24 and 291,945.46 is: 437,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,266.58 : 774,891.24 = 291,945.46 : x
  2. Step 2: Convert to fraction form
    517,266.58/774,891.24 = 291,945.46/x
  3. Step 3: Cross multiply
    517,266.58x = 774,891.24 × 291,945.46
  4. Step 4: Simplify right side
    517,266.58x = 226,225,979,511.77
  5. Step 5: Solve for x
    x = 226,225,979,511.77/517,266.58
  6. Step 6: Final answer
    x = 437,348.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.