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Finding the Fourth Proportional to 700,759.91, 965,912.91 and 547,530.86

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Solution

The fourth proportional to 700,759.91, 965,912.91 and 547,530.86 is: 754,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,759.91 : 965,912.91 = 547,530.86 : x
  2. Step 2: Convert to fraction form
    700,759.91/965,912.91 = 547,530.86/x
  3. Step 3: Cross multiply
    700,759.91x = 965,912.91 × 547,530.86
  4. Step 4: Simplify right side
    700,759.91x = 528,867,126,297.40
  5. Step 5: Solve for x
    x = 528,867,126,297.40/700,759.91
  6. Step 6: Final answer
    x = 754,705.17

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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.