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Finding the Fourth Proportional to 229,440.60, 344,160.90 and 149,724.45

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Solution

The fourth proportional to 229,440.60, 344,160.90 and 149,724.45 is: 224,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,440.60 : 344,160.90 = 149,724.45 : x
  2. Step 2: Convert to fraction form
    229,440.60/344,160.90 = 149,724.45/x
  3. Step 3: Cross multiply
    229,440.60x = 344,160.90 × 149,724.45
  4. Step 4: Simplify right side
    229,440.60x = 51,529,301,464.01
  5. Step 5: Solve for x
    x = 51,529,301,464.01/229,440.60
  6. Step 6: Final answer
    x = 224,586.68

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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.