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Finding the Fourth Proportional to 273,036.54, 376,774.20 and 156,723.13

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Solution

The fourth proportional to 273,036.54, 376,774.20 and 156,723.13 is: 216,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036.54 : 376,774.20 = 156,723.13 : x
  2. Step 2: Convert to fraction form
    273,036.54/376,774.20 = 156,723.13/x
  3. Step 3: Cross multiply
    273,036.54x = 376,774.20 × 156,723.13
  4. Step 4: Simplify right side
    273,036.54x = 59,049,232,319.05
  5. Step 5: Solve for x
    x = 59,049,232,319.05/273,036.54
  6. Step 6: Final answer
    x = 216,268.61

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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.