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Finding the Fourth Proportional to 524,270.20, 786,996.60 and 347,123.20

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Solution

The fourth proportional to 524,270.20, 786,996.60 and 347,123.20 is: 521,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,270.20 : 786,996.60 = 347,123.20 : x
  2. Step 2: Convert to fraction form
    524,270.20/786,996.60 = 347,123.20/x
  3. Step 3: Cross multiply
    524,270.20x = 786,996.60 × 347,123.20
  4. Step 4: Simplify right side
    524,270.20x = 273,184,778,181.12
  5. Step 5: Solve for x
    x = 273,184,778,181.12/524,270.20
  6. Step 6: Final answer
    x = 521,076.30

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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.