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Finding the Fourth Proportional to 447,506.22, 671,192.66 and 147,988.37

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Solution

The fourth proportional to 447,506.22, 671,192.66 and 147,988.37 is: 221,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,506.22 : 671,192.66 = 147,988.37 : x
  2. Step 2: Convert to fraction form
    447,506.22/671,192.66 = 147,988.37/x
  3. Step 3: Cross multiply
    447,506.22x = 671,192.66 × 147,988.37
  4. Step 4: Simplify right side
    447,506.22x = 99,328,703,613.46
  5. Step 5: Solve for x
    x = 99,328,703,613.46/447,506.22
  6. Step 6: Final answer
    x = 221,960.50

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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.