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Finding the Fourth Proportional to 647,036.29, 892,913.64 and 375,265.34

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Solution

The fourth proportional to 647,036.29, 892,913.64 and 375,265.34 is: 517,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,036.29 : 892,913.64 = 375,265.34 : x
  2. Step 2: Convert to fraction form
    647,036.29/892,913.64 = 375,265.34/x
  3. Step 3: Cross multiply
    647,036.29x = 892,913.64 × 375,265.34
  4. Step 4: Simplify right side
    647,036.29x = 335,079,538,828.91
  5. Step 5: Solve for x
    x = 335,079,538,828.91/647,036.29
  6. Step 6: Final answer
    x = 517,868.23

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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.