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Finding the Fourth Proportional to 227,629.40, 340,829.70 and 227,629.40

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Solution

The fourth proportional to 227,629.40, 340,829.70 and 227,629.40 is: 340,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,629.40 : 340,829.70 = 227,629.40 : x
  2. Step 2: Convert to fraction form
    227,629.40/340,829.70 = 227,629.40/x
  3. Step 3: Cross multiply
    227,629.40x = 340,829.70 × 227,629.40
  4. Step 4: Simplify right side
    227,629.40x = 77,582,860,113.18
  5. Step 5: Solve for x
    x = 77,582,860,113.18/227,629.40
  6. Step 6: Final answer
    x = 340,829.70

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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.