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Finding the Fourth Proportional to 353,599.02, 487,978.62 and 192,459.92

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Solution

The fourth proportional to 353,599.02, 487,978.62 and 192,459.92 is: 265,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,599.02 : 487,978.62 = 192,459.92 : x
  2. Step 2: Convert to fraction form
    353,599.02/487,978.62 = 192,459.92/x
  3. Step 3: Cross multiply
    353,599.02x = 487,978.62 × 192,459.92
  4. Step 4: Simplify right side
    353,599.02x = 93,916,326,166.91
  5. Step 5: Solve for x
    x = 93,916,326,166.91/353,599.02
  6. Step 6: Final answer
    x = 265,601.21

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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.