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Finding the Fourth Proportional to 328,462.22, 453,278.54 and 177,559.22

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Solution

The fourth proportional to 328,462.22, 453,278.54 and 177,559.22 is: 245,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,462.22 : 453,278.54 = 177,559.22 : x
  2. Step 2: Convert to fraction form
    328,462.22/453,278.54 = 177,559.22/x
  3. Step 3: Cross multiply
    328,462.22x = 453,278.54 × 177,559.22
  4. Step 4: Simplify right side
    328,462.22x = 80,483,784,005.14
  5. Step 5: Solve for x
    x = 80,483,784,005.14/328,462.22
  6. Step 6: Final answer
    x = 245,032.09

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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.