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Finding the Fourth Proportional to 229,126.60, 342,912.30 and 229,126.60

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Solution

The fourth proportional to 229,126.60, 342,912.30 and 229,126.60 is: 342,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,126.60 : 342,912.30 = 229,126.60 : x
  2. Step 2: Convert to fraction form
    229,126.60/342,912.30 = 229,126.60/x
  3. Step 3: Cross multiply
    229,126.60x = 342,912.30 × 229,126.60
  4. Step 4: Simplify right side
    229,126.60x = 78,570,329,397.18
  5. Step 5: Solve for x
    x = 78,570,329,397.18/229,126.60
  6. Step 6: Final answer
    x = 342,912.30

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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.