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Finding the Fourth Proportional to 328,710.32, 453,620.43 and 181,535.45

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Solution

The fourth proportional to 328,710.32, 453,620.43 and 181,535.45 is: 250,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,710.32 : 453,620.43 = 181,535.45 : x
  2. Step 2: Convert to fraction form
    328,710.32/453,620.43 = 181,535.45/x
  3. Step 3: Cross multiply
    328,710.32x = 453,620.43 × 181,535.45
  4. Step 4: Simplify right side
    328,710.32x = 82,348,188,322.22
  5. Step 5: Solve for x
    x = 82,348,188,322.22/328,710.32
  6. Step 6: Final answer
    x = 250,519.02

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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.