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Finding the Fourth Proportional to 1,797,913.80, 2,696,870.70 and 1,601,958.60

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Solution

The fourth proportional to 1,797,913.80, 2,696,870.70 and 1,601,958.60 is: 2,402,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,913.80 : 2,696,870.70 = 1,601,958.60 : x
  2. Step 2: Convert to fraction form
    1,797,913.80/2,696,870.70 = 1,601,958.60/x
  3. Step 3: Cross multiply
    1,797,913.80x = 2,696,870.70 × 1,601,958.60
  4. Step 4: Simplify right side
    1,797,913.80x = 4,320,275,210,953.02
  5. Step 5: Solve for x
    x = 4,320,275,210,953.02/1,797,913.80
  6. Step 6: Final answer
    x = 2,402,937.90

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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.