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Finding the Fourth Proportional to 316,379.04, 474,610.32 and 116,839.68

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Solution

The fourth proportional to 316,379.04, 474,610.32 and 116,839.68 is: 175,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,379.04 : 474,610.32 = 116,839.68 : x
  2. Step 2: Convert to fraction form
    316,379.04/474,610.32 = 116,839.68/x
  3. Step 3: Cross multiply
    316,379.04x = 474,610.32 × 116,839.68
  4. Step 4: Simplify right side
    316,379.04x = 55,453,317,913.50
  5. Step 5: Solve for x
    x = 55,453,317,913.50/316,379.04
  6. Step 6: Final answer
    x = 175,274.94

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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.