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Finding the Fourth Proportional to 295,810.20, 443,993.70 and 155,669.40

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Solution

The fourth proportional to 295,810.20, 443,993.70 and 155,669.40 is: 233,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,810.20 : 443,993.70 = 155,669.40 : x
  2. Step 2: Convert to fraction form
    295,810.20/443,993.70 = 155,669.40/x
  3. Step 3: Cross multiply
    295,810.20x = 443,993.70 × 155,669.40
  4. Step 4: Simplify right side
    295,810.20x = 69,116,232,882.78
  5. Step 5: Solve for x
    x = 69,116,232,882.78/295,810.20
  6. Step 6: Final answer
    x = 233,650.61

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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.