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Finding the Fourth Proportional to 227,711.40, 340,952.70 and 227,711.40

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Solution

The fourth proportional to 227,711.40, 340,952.70 and 227,711.40 is: 340,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.40 : 340,952.70 = 227,711.40 : x
  2. Step 2: Convert to fraction form
    227,711.40/340,952.70 = 227,711.40/x
  3. Step 3: Cross multiply
    227,711.40x = 340,952.70 × 227,711.40
  4. Step 4: Simplify right side
    227,711.40x = 77,638,816,650.78
  5. Step 5: Solve for x
    x = 77,638,816,650.78/227,711.40
  6. Step 6: Final answer
    x = 340,952.70

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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.