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Finding the Fourth Proportional to 1,337,784.81, 2,006,983.74 and 579,753.53

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Solution

The fourth proportional to 1,337,784.81, 2,006,983.74 and 579,753.53 is: 869,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,784.81 : 2,006,983.74 = 579,753.53 : x
  2. Step 2: Convert to fraction form
    1,337,784.81/2,006,983.74 = 579,753.53/x
  3. Step 3: Cross multiply
    1,337,784.81x = 2,006,983.74 × 579,753.53
  4. Step 4: Simplify right side
    1,337,784.81x = 1,163,555,907,917.60
  5. Step 5: Solve for x
    x = 1,163,555,907,917.60/1,337,784.81
  6. Step 6: Final answer
    x = 869,763.13

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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.