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Finding the Fourth Proportional to 246,646.50, 340,374.60 and 133,471.68

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Solution

The fourth proportional to 246,646.50, 340,374.60 and 133,471.68 is: 184,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,646.50 : 340,374.60 = 133,471.68 : x
  2. Step 2: Convert to fraction form
    246,646.50/340,374.60 = 133,471.68/x
  3. Step 3: Cross multiply
    246,646.50x = 340,374.60 × 133,471.68
  4. Step 4: Simplify right side
    246,646.50x = 45,430,369,691.33
  5. Step 5: Solve for x
    x = 45,430,369,691.33/246,646.50
  6. Step 6: Final answer
    x = 184,192.23

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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.