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Finding the Fourth Proportional to 701,066.75, 966,338.71 and 547,838.64

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Solution

The fourth proportional to 701,066.75, 966,338.71 and 547,838.64 is: 755,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,066.75 : 966,338.71 = 547,838.64 : x
  2. Step 2: Convert to fraction form
    701,066.75/966,338.71 = 547,838.64/x
  3. Step 3: Cross multiply
    701,066.75x = 966,338.71 × 547,838.64
  4. Step 4: Simplify right side
    701,066.75x = 529,397,683,296.16
  5. Step 5: Solve for x
    x = 529,397,683,296.16/701,066.75
  6. Step 6: Final answer
    x = 755,131.64

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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.