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Finding the Fourth Proportional to 2,999,766.20, 4,499,649.30 and 755,904.20

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Solution

The fourth proportional to 2,999,766.20, 4,499,649.30 and 755,904.20 is: 1,133,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,766.20 : 4,499,649.30 = 755,904.20 : x
  2. Step 2: Convert to fraction form
    2,999,766.20/4,499,649.30 = 755,904.20/x
  3. Step 3: Cross multiply
    2,999,766.20x = 4,499,649.30 × 755,904.20
  4. Step 4: Simplify right side
    2,999,766.20x = 3,401,303,781,898.81
  5. Step 5: Solve for x
    x = 3,401,303,781,898.81/2,999,766.20
  6. Step 6: Final answer
    x = 1,133,856.29

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