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Finding the Fourth Proportional to 227,225.20, 340,837.80 and 143,244.40

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Solution

The fourth proportional to 227,225.20, 340,837.80 and 143,244.40 is: 214,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,225.20 : 340,837.80 = 143,244.40 : x
  2. Step 2: Convert to fraction form
    227,225.20/340,837.80 = 143,244.40/x
  3. Step 3: Cross multiply
    227,225.20x = 340,837.80 × 143,244.40
  4. Step 4: Simplify right side
    227,225.20x = 48,823,106,158.32
  5. Step 5: Solve for x
    x = 48,823,106,158.32/227,225.20
  6. Step 6: Final answer
    x = 214,866.60

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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.