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Finding the Fourth Proportional to 356,529.04, 491,988.72 and 195,352

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Solution

The fourth proportional to 356,529.04, 491,988.72 and 195,352 is: 269,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,529.04 : 491,988.72 = 195,352 : x
  2. Step 2: Convert to fraction form
    356,529.04/491,988.72 = 195,352/x
  3. Step 3: Cross multiply
    356,529.04x = 491,988.72 × 195,352
  4. Step 4: Simplify right side
    356,529.04x = 96,110,980,429.44
  5. Step 5: Solve for x
    x = 96,110,980,429.44/356,529.04
  6. Step 6: Final answer
    x = 269,574.06

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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.