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Finding the Fourth Proportional to 328,299.68, 452,976.42 and 199,235.24

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Solution

The fourth proportional to 328,299.68, 452,976.42 and 199,235.24 is: 274,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,299.68 : 452,976.42 = 199,235.24 : x
  2. Step 2: Convert to fraction form
    328,299.68/452,976.42 = 199,235.24/x
  3. Step 3: Cross multiply
    328,299.68x = 452,976.42 × 199,235.24
  4. Step 4: Simplify right side
    328,299.68x = 90,248,865,753.04
  5. Step 5: Solve for x
    x = 90,248,865,753.04/328,299.68
  6. Step 6: Final answer
    x = 274,897.82

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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.