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Finding the Fourth Proportional to 328,749.48, 453,675.06 and 177,846.48

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Solution

The fourth proportional to 328,749.48, 453,675.06 and 177,846.48 is: 245,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,749.48 : 453,675.06 = 177,846.48 : x
  2. Step 2: Convert to fraction form
    328,749.48/453,675.06 = 177,846.48/x
  3. Step 3: Cross multiply
    328,749.48x = 453,675.06 × 177,846.48
  4. Step 4: Simplify right side
    328,749.48x = 80,684,512,484.79
  5. Step 5: Solve for x
    x = 80,684,512,484.79/328,749.48
  6. Step 6: Final answer
    x = 245,428.56

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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.