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Finding the Fourth Proportional to 246,420.70, 345,922.10 and 246,420.70

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Solution

The fourth proportional to 246,420.70, 345,922.10 and 246,420.70 is: 345,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,420.70 : 345,922.10 = 246,420.70 : x
  2. Step 2: Convert to fraction form
    246,420.70/345,922.10 = 246,420.70/x
  3. Step 3: Cross multiply
    246,420.70x = 345,922.10 × 246,420.70
  4. Step 4: Simplify right side
    246,420.70x = 85,242,366,027.47
  5. Step 5: Solve for x
    x = 85,242,366,027.47/246,420.70
  6. Step 6: Final answer
    x = 345,922.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.