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Finding the Fourth Proportional to 1,738,935.04, 2,608,411.84 and 791,643.52

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Solution

The fourth proportional to 1,738,935.04, 2,608,411.84 and 791,643.52 is: 1,187,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,935.04 : 2,608,411.84 = 791,643.52 : x
  2. Step 2: Convert to fraction form
    1,738,935.04/2,608,411.84 = 791,643.52/x
  3. Step 3: Cross multiply
    1,738,935.04x = 2,608,411.84 × 791,643.52
  4. Step 4: Simplify right side
    1,738,935.04x = 2,064,932,330,627.28
  5. Step 5: Solve for x
    x = 2,064,932,330,627.28/1,738,935.04
  6. Step 6: Final answer
    x = 1,187,469.50

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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.