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Finding the Fourth Proportional to 349,686.89, 522,539.66 and 262,564.80

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Solution

The fourth proportional to 349,686.89, 522,539.66 and 262,564.80 is: 392,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,686.89 : 522,539.66 = 262,564.80 : x
  2. Step 2: Convert to fraction form
    349,686.89/522,539.66 = 262,564.80/x
  3. Step 3: Cross multiply
    349,686.89x = 522,539.66 × 262,564.80
  4. Step 4: Simplify right side
    349,686.89x = 137,200,520,007.14
  5. Step 5: Solve for x
    x = 137,200,520,007.14/349,686.89
  6. Step 6: Final answer
    x = 392,352.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.