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Finding the Fourth Proportional to 346,912.88, 520,369.31 and 97,594.88

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Solution

The fourth proportional to 346,912.88, 520,369.31 and 97,594.88 is: 146,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,912.88 : 520,369.31 = 97,594.88 : x
  2. Step 2: Convert to fraction form
    346,912.88/520,369.31 = 97,594.88/x
  3. Step 3: Cross multiply
    346,912.88x = 520,369.31 × 97,594.88
  4. Step 4: Simplify right side
    346,912.88x = 50,785,378,007.27
  5. Step 5: Solve for x
    x = 50,785,378,007.27/346,912.88
  6. Step 6: Final answer
    x = 146,392.31

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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.