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Finding the Fourth Proportional to 328,156.50, 452,856.15 and 177,253.50

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Solution

The fourth proportional to 328,156.50, 452,856.15 and 177,253.50 is: 244,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,156.50 : 452,856.15 = 177,253.50 : x
  2. Step 2: Convert to fraction form
    328,156.50/452,856.15 = 177,253.50/x
  3. Step 3: Cross multiply
    328,156.50x = 452,856.15 × 177,253.50
  4. Step 4: Simplify right side
    328,156.50x = 80,270,337,584.03
  5. Step 5: Solve for x
    x = 80,270,337,584.03/328,156.50
  6. Step 6: Final answer
    x = 244,609.93

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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.