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Finding the Fourth Proportional to 836,472.42, 1,254,003.28 and 362,801.02

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Solution

The fourth proportional to 836,472.42, 1,254,003.28 and 362,801.02 is: 543,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,472.42 : 1,254,003.28 = 362,801.02 : x
  2. Step 2: Convert to fraction form
    836,472.42/1,254,003.28 = 362,801.02/x
  3. Step 3: Cross multiply
    836,472.42x = 1,254,003.28 × 362,801.02
  4. Step 4: Simplify right side
    836,472.42x = 454,953,669,067.35
  5. Step 5: Solve for x
    x = 454,953,669,067.35/836,472.42
  6. Step 6: Final answer
    x = 543,895.60

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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.