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Finding the Fourth Proportional to 229,223.60, 343,835.40 and 225,724.40

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Solution

The fourth proportional to 229,223.60, 343,835.40 and 225,724.40 is: 338,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,223.60 : 343,835.40 = 225,724.40 : x
  2. Step 2: Convert to fraction form
    229,223.60/343,835.40 = 225,724.40/x
  3. Step 3: Cross multiply
    229,223.60x = 343,835.40 × 225,724.40
  4. Step 4: Simplify right side
    229,223.60x = 77,612,039,363.76
  5. Step 5: Solve for x
    x = 77,612,039,363.76/229,223.60
  6. Step 6: Final answer
    x = 338,586.60

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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.