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Finding the Fourth Proportional to 328,395.29, 453,230.46 and 192,483.36

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Solution

The fourth proportional to 328,395.29, 453,230.46 and 192,483.36 is: 265,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,395.29 : 453,230.46 = 192,483.36 : x
  2. Step 2: Convert to fraction form
    328,395.29/453,230.46 = 192,483.36/x
  3. Step 3: Cross multiply
    328,395.29x = 453,230.46 × 192,483.36
  4. Step 4: Simplify right side
    328,395.29x = 87,239,321,795.15
  5. Step 5: Solve for x
    x = 87,239,321,795.15/328,395.29
  6. Step 6: Final answer
    x = 265,653.39

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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.