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Finding the Fourth Proportional to 246,291.87, 339,655.98 and 155,490.06

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Solution

The fourth proportional to 246,291.87, 339,655.98 and 155,490.06 is: 214,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,291.87 : 339,655.98 = 155,490.06 : x
  2. Step 2: Convert to fraction form
    246,291.87/339,655.98 = 155,490.06/x
  3. Step 3: Cross multiply
    246,291.87x = 339,655.98 × 155,490.06
  4. Step 4: Simplify right side
    246,291.87x = 52,813,128,709.56
  5. Step 5: Solve for x
    x = 52,813,128,709.56/246,291.87
  6. Step 6: Final answer
    x = 214,433.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.