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Finding the Fourth Proportional to 328,909.41, 453,908.03 and 185,674.41

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Solution

The fourth proportional to 328,909.41, 453,908.03 and 185,674.41 is: 256,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,909.41 : 453,908.03 = 185,674.41 : x
  2. Step 2: Convert to fraction form
    328,909.41/453,908.03 = 185,674.41/x
  3. Step 3: Cross multiply
    328,909.41x = 453,908.03 × 185,674.41
  4. Step 4: Simplify right side
    328,909.41x = 84,279,104,736.14
  5. Step 5: Solve for x
    x = 84,279,104,736.14/328,909.41
  6. Step 6: Final answer
    x = 256,238.05

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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.