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Finding the Fourth Proportional to 349,680.51, 522,530.15 and 262,558.41

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Solution

The fourth proportional to 349,680.51, 522,530.15 and 262,558.41 is: 392,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,680.51 : 522,530.15 = 262,558.41 : x
  2. Step 2: Convert to fraction form
    349,680.51/522,530.15 = 262,558.41/x
  3. Step 3: Cross multiply
    349,680.51x = 522,530.15 × 262,558.41
  4. Step 4: Simplify right side
    349,680.51x = 137,194,684,048.27
  5. Step 5: Solve for x
    x = 137,194,684,048.27/349,680.51
  6. Step 6: Final answer
    x = 392,342.95

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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.