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Finding the Fourth Proportional to 1,964,149.74, 2,710,499.94 and 1,104,709.68

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Solution

The fourth proportional to 1,964,149.74, 2,710,499.94 and 1,104,709.68 is: 1,524,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,149.74 : 2,710,499.94 = 1,104,709.68 : x
  2. Step 2: Convert to fraction form
    1,964,149.74/2,710,499.94 = 1,104,709.68/x
  3. Step 3: Cross multiply
    1,964,149.74x = 2,710,499.94 × 1,104,709.68
  4. Step 4: Simplify right side
    1,964,149.74x = 2,994,315,521,357.42
  5. Step 5: Solve for x
    x = 2,994,315,521,357.42/1,964,149.74
  6. Step 6: Final answer
    x = 1,524,484.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.