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Finding the Fourth Proportional to 277,513.20, 416,269.80 and 236,178.90

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Solution

The fourth proportional to 277,513.20, 416,269.80 and 236,178.90 is: 354,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,513.20 : 416,269.80 = 236,178.90 : x
  2. Step 2: Convert to fraction form
    277,513.20/416,269.80 = 236,178.90/x
  3. Step 3: Cross multiply
    277,513.20x = 416,269.80 × 236,178.90
  4. Step 4: Simplify right side
    277,513.20x = 98,314,143,467.22
  5. Step 5: Solve for x
    x = 98,314,143,467.22/277,513.20
  6. Step 6: Final answer
    x = 354,268.35

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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.