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Finding the Fourth Proportional to 562,136.51, 775,846.35 and 543,452.64

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Solution

The fourth proportional to 562,136.51, 775,846.35 and 543,452.64 is: 750,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,136.51 : 775,846.35 = 543,452.64 : x
  2. Step 2: Convert to fraction form
    562,136.51/775,846.35 = 543,452.64/x
  3. Step 3: Cross multiply
    562,136.51x = 775,846.35 × 543,452.64
  4. Step 4: Simplify right side
    562,136.51x = 421,635,747,141.86
  5. Step 5: Solve for x
    x = 421,635,747,141.86/562,136.51
  6. Step 6: Final answer
    x = 750,059.36

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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.