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Finding the Fourth Proportional to 618,299.76, 927,418.80 and 362,277.12

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Solution

The fourth proportional to 618,299.76, 927,418.80 and 362,277.12 is: 543,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,299.76 : 927,418.80 = 362,277.12 : x
  2. Step 2: Convert to fraction form
    618,299.76/927,418.80 = 362,277.12/x
  3. Step 3: Cross multiply
    618,299.76x = 927,418.80 × 362,277.12
  4. Step 4: Simplify right side
    618,299.76x = 335,982,611,897.86
  5. Step 5: Solve for x
    x = 335,982,611,897.86/618,299.76
  6. Step 6: Final answer
    x = 543,397.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.