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Finding the Fourth Proportional to 614,455.32, 921,682.98 and 193,773.72

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Solution

The fourth proportional to 614,455.32, 921,682.98 and 193,773.72 is: 290,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,455.32 : 921,682.98 = 193,773.72 : x
  2. Step 2: Convert to fraction form
    614,455.32/921,682.98 = 193,773.72/x
  3. Step 3: Cross multiply
    614,455.32x = 921,682.98 × 193,773.72
  4. Step 4: Simplify right side
    614,455.32x = 178,597,939,695.29
  5. Step 5: Solve for x
    x = 178,597,939,695.29/614,455.32
  6. Step 6: Final answer
    x = 290,660.58

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Similar ratio
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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.