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Finding the Fourth Proportional to 246,758.63, 340,524.29 and 139,322.26

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Solution

The fourth proportional to 246,758.63, 340,524.29 and 139,322.26 is: 192,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,758.63 : 340,524.29 = 139,322.26 : x
  2. Step 2: Convert to fraction form
    246,758.63/340,524.29 = 139,322.26/x
  3. Step 3: Cross multiply
    246,758.63x = 340,524.29 × 139,322.26
  4. Step 4: Simplify right side
    246,758.63x = 47,442,611,268.46
  5. Step 5: Solve for x
    x = 47,442,611,268.46/246,758.63
  6. Step 6: Final answer
    x = 192,263.23

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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.