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Finding the Fourth Proportional to 342,633.94, 473,049.32 and 220,175.91

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Solution

The fourth proportional to 342,633.94, 473,049.32 and 220,175.91 is: 303,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,633.94 : 473,049.32 = 220,175.91 : x
  2. Step 2: Convert to fraction form
    342,633.94/473,049.32 = 220,175.91/x
  3. Step 3: Cross multiply
    342,633.94x = 473,049.32 × 220,175.91
  4. Step 4: Simplify right side
    342,633.94x = 104,154,063,405.00
  5. Step 5: Solve for x
    x = 104,154,063,405.00/342,633.94
  6. Step 6: Final answer
    x = 303,980.58

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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.