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Finding the Fourth Proportional to 369,516.34, 509,932.29 and 199,750.51

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Solution

The fourth proportional to 369,516.34, 509,932.29 and 199,750.51 is: 275,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,516.34 : 509,932.29 = 199,750.51 : x
  2. Step 2: Convert to fraction form
    369,516.34/509,932.29 = 199,750.51/x
  3. Step 3: Cross multiply
    369,516.34x = 509,932.29 × 199,750.51
  4. Step 4: Simplify right side
    369,516.34x = 101,859,234,992.97
  5. Step 5: Solve for x
    x = 101,859,234,992.97/369,516.34
  6. Step 6: Final answer
    x = 275,655.56

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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.