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Finding the Fourth Proportional to 383,846.70, 575,770.05 and 341,856.30

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Solution

The fourth proportional to 383,846.70, 575,770.05 and 341,856.30 is: 512,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,846.70 : 575,770.05 = 341,856.30 : x
  2. Step 2: Convert to fraction form
    383,846.70/575,770.05 = 341,856.30/x
  3. Step 3: Cross multiply
    383,846.70x = 575,770.05 × 341,856.30
  4. Step 4: Simplify right side
    383,846.70x = 196,830,618,943.82
  5. Step 5: Solve for x
    x = 196,830,618,943.82/383,846.70
  6. Step 6: Final answer
    x = 512,784.45

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Similar ratio
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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.