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Finding the Fourth Proportional to 328,871.13, 453,842.15 and 177,968.13

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Solution

The fourth proportional to 328,871.13, 453,842.15 and 177,968.13 is: 245,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,871.13 : 453,842.15 = 177,968.13 : x
  2. Step 2: Convert to fraction form
    328,871.13/453,842.15 = 177,968.13/x
  3. Step 3: Cross multiply
    328,871.13x = 453,842.15 × 177,968.13
  4. Step 4: Simplify right side
    328,871.13x = 80,769,438,750.68
  5. Step 5: Solve for x
    x = 80,769,438,750.68/328,871.13
  6. Step 6: Final answer
    x = 245,596.01

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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.