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Finding the Fourth Proportional to 353,560.46, 487,904.07 and 192,412.04

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Solution

The fourth proportional to 353,560.46, 487,904.07 and 192,412.04 is: 265,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,560.46 : 487,904.07 = 192,412.04 : x
  2. Step 2: Convert to fraction form
    353,560.46/487,904.07 = 192,412.04/x
  3. Step 3: Cross multiply
    353,560.46x = 487,904.07 × 192,412.04
  4. Step 4: Simplify right side
    353,560.46x = 93,878,618,652.76
  5. Step 5: Solve for x
    x = 93,878,618,652.76/353,560.46
  6. Step 6: Final answer
    x = 265,523.52

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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.