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Finding the Fourth Proportional to 1,765,904.10, 2,648,856.15 and 629,948.96

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Solution

The fourth proportional to 1,765,904.10, 2,648,856.15 and 629,948.96 is: 944,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,904.10 : 2,648,856.15 = 629,948.96 : x
  2. Step 2: Convert to fraction form
    1,765,904.10/2,648,856.15 = 629,948.96/x
  3. Step 3: Cross multiply
    1,765,904.10x = 2,648,856.15 × 629,948.96
  4. Step 4: Simplify right side
    1,765,904.10x = 1,668,644,183,504.24
  5. Step 5: Solve for x
    x = 1,668,644,183,504.24/1,765,904.10
  6. Step 6: Final answer
    x = 944,923.44

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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.