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Finding the Fourth Proportional to 442,832.68, 611,110.50 and 251,859.40

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Solution

The fourth proportional to 442,832.68, 611,110.50 and 251,859.40 is: 347,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,832.68 : 611,110.50 = 251,859.40 : x
  2. Step 2: Convert to fraction form
    442,832.68/611,110.50 = 251,859.40/x
  3. Step 3: Cross multiply
    442,832.68x = 611,110.50 × 251,859.40
  4. Step 4: Simplify right side
    442,832.68x = 153,913,923,863.70
  5. Step 5: Solve for x
    x = 153,913,923,863.70/442,832.68
  6. Step 6: Final answer
    x = 347,566.77

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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.