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Finding the Fourth Proportional to 1,964,672.08, 2,947,008.28 and 544,728.20

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Solution

The fourth proportional to 1,964,672.08, 2,947,008.28 and 544,728.20 is: 817,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,672.08 : 2,947,008.28 = 544,728.20 : x
  2. Step 2: Convert to fraction form
    1,964,672.08/2,947,008.28 = 544,728.20/x
  3. Step 3: Cross multiply
    1,964,672.08x = 2,947,008.28 × 544,728.20
  4. Step 4: Simplify right side
    1,964,672.08x = 1,605,318,515,749.50
  5. Step 5: Solve for x
    x = 1,605,318,515,749.50/1,964,672.08
  6. Step 6: Final answer
    x = 817,092.34

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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.