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Finding the Fourth Proportional to 306,773.99, 423,555.92 and 192,098.64

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Solution

The fourth proportional to 306,773.99, 423,555.92 and 192,098.64 is: 265,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,773.99 : 423,555.92 = 192,098.64 : x
  2. Step 2: Convert to fraction form
    306,773.99/423,555.92 = 192,098.64/x
  3. Step 3: Cross multiply
    306,773.99x = 423,555.92 × 192,098.64
  4. Step 4: Simplify right side
    306,773.99x = 81,364,516,195.95
  5. Step 5: Solve for x
    x = 81,364,516,195.95/306,773.99
  6. Step 6: Final answer
    x = 265,226.25

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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.