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Finding the Fourth Proportional to 608,850.77, 839,658.86 and 522,782.75

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Solution

The fourth proportional to 608,850.77, 839,658.86 and 522,782.75 is: 720,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,850.77 : 839,658.86 = 522,782.75 : x
  2. Step 2: Convert to fraction form
    608,850.77/839,658.86 = 522,782.75/x
  3. Step 3: Cross multiply
    608,850.77x = 839,658.86 × 522,782.75
  4. Step 4: Simplify right side
    608,850.77x = 438,959,161,080.46
  5. Step 5: Solve for x
    x = 438,959,161,080.46/608,850.77
  6. Step 6: Final answer
    x = 720,963.47

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Double scale
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1.5x scale

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.