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Finding the Fourth Proportional to 328,803.39, 453,748.65 and 177,900.39

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Solution

The fourth proportional to 328,803.39, 453,748.65 and 177,900.39 is: 245,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,803.39 : 453,748.65 = 177,900.39 : x
  2. Step 2: Convert to fraction form
    328,803.39/453,748.65 = 177,900.39/x
  3. Step 3: Cross multiply
    328,803.39x = 453,748.65 × 177,900.39
  4. Step 4: Simplify right side
    328,803.39x = 80,722,061,796.97
  5. Step 5: Solve for x
    x = 80,722,061,796.97/328,803.39
  6. Step 6: Final answer
    x = 245,502.52

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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.