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Finding the Fourth Proportional to 1,789,710.90, 2,684,986.79 and 591,633.11

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Solution

The fourth proportional to 1,789,710.90, 2,684,986.79 and 591,633.11 is: 887,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,710.90 : 2,684,986.79 = 591,633.11 : x
  2. Step 2: Convert to fraction form
    1,789,710.90/2,684,986.79 = 591,633.11/x
  3. Step 3: Cross multiply
    1,789,710.90x = 2,684,986.79 × 591,633.11
  4. Step 4: Simplify right side
    1,789,710.90x = 1,588,527,088,630.92
  5. Step 5: Solve for x
    x = 1,588,527,088,630.92/1,789,710.90
  6. Step 6: Final answer
    x = 887,588.66

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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.