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Finding the Fourth Proportional to 2,490,734.16, 3,736,425.24 and 893,472.48

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Solution

The fourth proportional to 2,490,734.16, 3,736,425.24 and 893,472.48 is: 1,340,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,734.16 : 3,736,425.24 = 893,472.48 : x
  2. Step 2: Convert to fraction form
    2,490,734.16/3,736,425.24 = 893,472.48/x
  3. Step 3: Cross multiply
    2,490,734.16x = 3,736,425.24 × 893,472.48
  4. Step 4: Simplify right side
    2,490,734.16x = 3,338,393,125,517.40
  5. Step 5: Solve for x
    x = 3,338,393,125,517.40/2,490,734.16
  6. Step 6: Final answer
    x = 1,340,324.94

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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.