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Finding the Fourth Proportional to 317,450.46, 475,871.94 and 117,717.42

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Solution

The fourth proportional to 317,450.46, 475,871.94 and 117,717.42 is: 176,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,450.46 : 475,871.94 = 117,717.42 : x
  2. Step 2: Convert to fraction form
    317,450.46/475,871.94 = 117,717.42/x
  3. Step 3: Cross multiply
    317,450.46x = 475,871.94 × 117,717.42
  4. Step 4: Simplify right side
    317,450.46x = 56,018,417,027.19
  5. Step 5: Solve for x
    x = 56,018,417,027.19/317,450.46
  6. Step 6: Final answer
    x = 176,463.49

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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.