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Finding the Fourth Proportional to 353,411.37, 487,696.59 and 192,262.32

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Solution

The fourth proportional to 353,411.37, 487,696.59 and 192,262.32 is: 265,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,411.37 : 487,696.59 = 192,262.32 : x
  2. Step 2: Convert to fraction form
    353,411.37/487,696.59 = 192,262.32/x
  3. Step 3: Cross multiply
    353,411.37x = 487,696.59 × 192,262.32
  4. Step 4: Simplify right side
    353,411.37x = 93,765,677,849.49
  5. Step 5: Solve for x
    x = 93,765,677,849.49/353,411.37
  6. Step 6: Final answer
    x = 265,315.96

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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.