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Finding the Fourth Proportional to 328,443.33, 453,404.38 and 192,458.41

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Solution

The fourth proportional to 328,443.33, 453,404.38 and 192,458.41 is: 265,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,443.33 : 453,404.38 = 192,458.41 : x
  2. Step 2: Convert to fraction form
    328,443.33/453,404.38 = 192,458.41/x
  3. Step 3: Cross multiply
    328,443.33x = 453,404.38 × 192,458.41
  4. Step 4: Simplify right side
    328,443.33x = 87,261,484,447.18
  5. Step 5: Solve for x
    x = 87,261,484,447.18/328,443.33
  6. Step 6: Final answer
    x = 265,682.01

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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.