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Finding the Fourth Proportional to 350,754.66, 483,931.13 and 214,646.72

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Solution

The fourth proportional to 350,754.66, 483,931.13 and 214,646.72 is: 296,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,754.66 : 483,931.13 = 214,646.72 : x
  2. Step 2: Convert to fraction form
    350,754.66/483,931.13 = 214,646.72/x
  3. Step 3: Cross multiply
    350,754.66x = 483,931.13 × 214,646.72
  4. Step 4: Simplify right side
    350,754.66x = 103,874,229,760.39
  5. Step 5: Solve for x
    x = 103,874,229,760.39/350,754.66
  6. Step 6: Final answer
    x = 296,144.97

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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.