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Finding the Fourth Proportional to 356,710.62, 492,264.66 and 203,769.06

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Solution

The fourth proportional to 356,710.62, 492,264.66 and 203,769.06 is: 281,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,710.62 : 492,264.66 = 203,769.06 : x
  2. Step 2: Convert to fraction form
    356,710.62/492,264.66 = 203,769.06/x
  3. Step 3: Cross multiply
    356,710.62x = 492,264.66 × 203,769.06
  4. Step 4: Simplify right side
    356,710.62x = 100,308,307,039.42
  5. Step 5: Solve for x
    x = 100,308,307,039.42/356,710.62
  6. Step 6: Final answer
    x = 281,203.59

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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.