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Finding the Fourth Proportional to 328,573.67, 453,435.17 and 192,688.07

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Solution

The fourth proportional to 328,573.67, 453,435.17 and 192,688.07 is: 265,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,573.67 : 453,435.17 = 192,688.07 : x
  2. Step 2: Convert to fraction form
    328,573.67/453,435.17 = 192,688.07/x
  3. Step 3: Cross multiply
    328,573.67x = 453,435.17 × 192,688.07
  4. Step 4: Simplify right side
    328,573.67x = 87,371,544,546.81
  5. Step 5: Solve for x
    x = 87,371,544,546.81/328,573.67
  6. Step 6: Final answer
    x = 265,911.59

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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.