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Finding the Fourth Proportional to 350,884.81, 484,223.92 and 193,725.78

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Solution

The fourth proportional to 350,884.81, 484,223.92 and 193,725.78 is: 267,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,884.81 : 484,223.92 = 193,725.78 : x
  2. Step 2: Convert to fraction form
    350,884.81/484,223.92 = 193,725.78/x
  3. Step 3: Cross multiply
    350,884.81x = 484,223.92 × 193,725.78
  4. Step 4: Simplify right side
    350,884.81x = 93,806,655,386.21
  5. Step 5: Solve for x
    x = 93,806,655,386.21/350,884.81
  6. Step 6: Final answer
    x = 267,343.16

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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.