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Finding the Fourth Proportional to 341,689.20, 512,533.80 and 227,527.80

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Solution

The fourth proportional to 341,689.20, 512,533.80 and 227,527.80 is: 341,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,689.20 : 512,533.80 = 227,527.80 : x
  2. Step 2: Convert to fraction form
    341,689.20/512,533.80 = 227,527.80/x
  3. Step 3: Cross multiply
    341,689.20x = 512,533.80 × 227,527.80
  4. Step 4: Simplify right side
    341,689.20x = 116,615,687,939.64
  5. Step 5: Solve for x
    x = 116,615,687,939.64/341,689.20
  6. Step 6: Final answer
    x = 341,291.70

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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.