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Finding the Fourth Proportional to 353,807.65, 488,254.59 and 192,662.65

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Solution

The fourth proportional to 353,807.65, 488,254.59 and 192,662.65 is: 265,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,807.65 : 488,254.59 = 192,662.65 : x
  2. Step 2: Convert to fraction form
    353,807.65/488,254.59 = 192,662.65/x
  3. Step 3: Cross multiply
    353,807.65x = 488,254.59 × 192,662.65
  4. Step 4: Simplify right side
    353,807.65x = 94,068,419,779.48
  5. Step 5: Solve for x
    x = 94,068,419,779.48/353,807.65
  6. Step 6: Final answer
    x = 265,874.47

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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.