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Finding the Fourth Proportional to 464,749.60, 696,087.60 and 381,805.60

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Solution

The fourth proportional to 464,749.60, 696,087.60 and 381,805.60 is: 571,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,749.60 : 696,087.60 = 381,805.60 : x
  2. Step 2: Convert to fraction form
    464,749.60/696,087.60 = 381,805.60/x
  3. Step 3: Cross multiply
    464,749.60x = 696,087.60 × 381,805.60
  4. Step 4: Simplify right side
    464,749.60x = 265,770,143,770.56
  5. Step 5: Solve for x
    x = 265,770,143,770.56/464,749.60
  6. Step 6: Final answer
    x = 571,856.64

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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.