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Finding the Fourth Proportional to 343,773.64, 474,436.20 and 190,826.20

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Solution

The fourth proportional to 343,773.64, 474,436.20 and 190,826.20 is: 263,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,773.64 : 474,436.20 = 190,826.20 : x
  2. Step 2: Convert to fraction form
    343,773.64/474,436.20 = 190,826.20/x
  3. Step 3: Cross multiply
    343,773.64x = 474,436.20 × 190,826.20
  4. Step 4: Simplify right side
    343,773.64x = 90,534,857,188.44
  5. Step 5: Solve for x
    x = 90,534,857,188.44/343,773.64
  6. Step 6: Final answer
    x = 263,356.02

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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.