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Finding the Fourth Proportional to 350,695.76, 483,989.64 and 214,729.04

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Solution

The fourth proportional to 350,695.76, 483,989.64 and 214,729.04 is: 296,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,695.76 : 483,989.64 = 214,729.04 : x
  2. Step 2: Convert to fraction form
    350,695.76/483,989.64 = 214,729.04/x
  3. Step 3: Cross multiply
    350,695.76x = 483,989.64 × 214,729.04
  4. Step 4: Simplify right side
    350,695.76x = 103,926,630,767.15
  5. Step 5: Solve for x
    x = 103,926,630,767.15/350,695.76
  6. Step 6: Final answer
    x = 296,344.13

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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.