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Finding the Fourth Proportional to 407,606.40, 562,532.40 and 226,353.60

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Solution

The fourth proportional to 407,606.40, 562,532.40 and 226,353.60 is: 312,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,606.40 : 562,532.40 = 226,353.60 : x
  2. Step 2: Convert to fraction form
    407,606.40/562,532.40 = 226,353.60/x
  3. Step 3: Cross multiply
    407,606.40x = 562,532.40 × 226,353.60
  4. Step 4: Simplify right side
    407,606.40x = 127,331,233,856.64
  5. Step 5: Solve for x
    x = 127,331,233,856.64/407,606.40
  6. Step 6: Final answer
    x = 312,387.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.