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Finding the Fourth Proportional to 3,510,688, 5,266,049.28 and 851,296

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Solution

The fourth proportional to 3,510,688, 5,266,049.28 and 851,296 is: 1,276,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,688 : 5,266,049.28 = 851,296 : x
  2. Step 2: Convert to fraction form
    3,510,688/5,266,049.28 = 851,296/x
  3. Step 3: Cross multiply
    3,510,688x = 5,266,049.28 × 851,296
  4. Step 4: Simplify right side
    3,510,688x = 4,482,966,687,866.88
  5. Step 5: Solve for x
    x = 4,482,966,687,866.88/3,510,688
  6. Step 6: Final answer
    x = 1,276,948.19

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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.