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Finding the Fourth Proportional to 1,692,579.19, 2,521,277.06 and 1,600,903.80

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Solution

The fourth proportional to 1,692,579.19, 2,521,277.06 and 1,600,903.80 is: 2,384,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,579.19 : 2,521,277.06 = 1,600,903.80 : x
  2. Step 2: Convert to fraction form
    1,692,579.19/2,521,277.06 = 1,600,903.80/x
  3. Step 3: Cross multiply
    1,692,579.19x = 2,521,277.06 × 1,600,903.80
  4. Step 4: Simplify right side
    1,692,579.19x = 4,036,322,017,752.60
  5. Step 5: Solve for x
    x = 4,036,322,017,752.60/1,692,579.19
  6. Step 6: Final answer
    x = 2,384,716.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.