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Finding the Fourth Proportional to 607,119.72, 910,593.99 and 381,793.20

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Solution

The fourth proportional to 607,119.72, 910,593.99 and 381,793.20 is: 572,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,119.72 : 910,593.99 = 381,793.20 : x
  2. Step 2: Convert to fraction form
    607,119.72/910,593.99 = 381,793.20/x
  3. Step 3: Cross multiply
    607,119.72x = 910,593.99 × 381,793.20
  4. Step 4: Simplify right side
    607,119.72x = 347,658,593,342.87
  5. Step 5: Solve for x
    x = 347,658,593,342.87/607,119.72
  6. Step 6: Final answer
    x = 572,635.98

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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.