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Finding the Fourth Proportional to 273,628.20, 410,442.30 and 155,530.20

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Solution

The fourth proportional to 273,628.20, 410,442.30 and 155,530.20 is: 233,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,628.20 : 410,442.30 = 155,530.20 : x
  2. Step 2: Convert to fraction form
    273,628.20/410,442.30 = 155,530.20/x
  3. Step 3: Cross multiply
    273,628.20x = 410,442.30 × 155,530.20
  4. Step 4: Simplify right side
    273,628.20x = 63,836,173,007.46
  5. Step 5: Solve for x
    x = 63,836,173,007.46/273,628.20
  6. Step 6: Final answer
    x = 233,295.30

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1.5x scale

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.