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Finding the Fourth Proportional to 349,925.64, 525,120.12 and 192,264

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Solution

The fourth proportional to 349,925.64, 525,120.12 and 192,264 is: 288,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,925.64 : 525,120.12 = 192,264 : x
  2. Step 2: Convert to fraction form
    349,925.64/525,120.12 = 192,264/x
  3. Step 3: Cross multiply
    349,925.64x = 525,120.12 × 192,264
  4. Step 4: Simplify right side
    349,925.64x = 100,961,694,751.68
  5. Step 5: Solve for x
    x = 100,961,694,751.68/349,925.64
  6. Step 6: Final answer
    x = 288,523.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.