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Finding the Fourth Proportional to 353,048.82, 487,210.62 and 191,904.24

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Solution

The fourth proportional to 353,048.82, 487,210.62 and 191,904.24 is: 264,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,048.82 : 487,210.62 = 191,904.24 : x
  2. Step 2: Convert to fraction form
    353,048.82/487,210.62 = 191,904.24/x
  3. Step 3: Cross multiply
    353,048.82x = 487,210.62 × 191,904.24
  4. Step 4: Simplify right side
    353,048.82x = 93,497,783,751.03
  5. Step 5: Solve for x
    x = 93,497,783,751.03/353,048.82
  6. Step 6: Final answer
    x = 264,829.62

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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.