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Finding the Fourth Proportional to 703,846.12, 971,684.55 and 550,558.63

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Solution

The fourth proportional to 703,846.12, 971,684.55 and 550,558.63 is: 760,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,846.12 : 971,684.55 = 550,558.63 : x
  2. Step 2: Convert to fraction form
    703,846.12/971,684.55 = 550,558.63/x
  3. Step 3: Cross multiply
    703,846.12x = 971,684.55 × 550,558.63
  4. Step 4: Simplify right side
    703,846.12x = 534,969,314,640.17
  5. Step 5: Solve for x
    x = 534,969,314,640.17/703,846.12
  6. Step 6: Final answer
    x = 760,065.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.