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Finding the Fourth Proportional to 353,196.08, 487,412.88 and 192,052.88

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Solution

The fourth proportional to 353,196.08, 487,412.88 and 192,052.88 is: 265,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,196.08 : 487,412.88 = 192,052.88 : x
  2. Step 2: Convert to fraction form
    353,196.08/487,412.88 = 192,052.88/x
  3. Step 3: Cross multiply
    353,196.08x = 487,412.88 × 192,052.88
  4. Step 4: Simplify right side
    353,196.08x = 93,609,047,353.09
  5. Step 5: Solve for x
    x = 93,609,047,353.09/353,196.08
  6. Step 6: Final answer
    x = 265,034.22

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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.