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Finding the Fourth Proportional to 362,706.66, 543,989.14 and 344,703.32

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Solution

The fourth proportional to 362,706.66, 543,989.14 and 344,703.32 is: 516,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,706.66 : 543,989.14 = 344,703.32 : x
  2. Step 2: Convert to fraction form
    362,706.66/543,989.14 = 344,703.32/x
  3. Step 3: Cross multiply
    362,706.66x = 543,989.14 × 344,703.32
  4. Step 4: Simplify right side
    362,706.66x = 187,514,863,559.65
  5. Step 5: Solve for x
    x = 187,514,863,559.65/362,706.66
  6. Step 6: Final answer
    x = 516,987.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.