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Finding the Fourth Proportional to 317,811.60, 476,715.96 and 107,594.64

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Solution

The fourth proportional to 317,811.60, 476,715.96 and 107,594.64 is: 161,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,811.60 : 476,715.96 = 107,594.64 : x
  2. Step 2: Convert to fraction form
    317,811.60/476,715.96 = 107,594.64/x
  3. Step 3: Cross multiply
    317,811.60x = 476,715.96 × 107,594.64
  4. Step 4: Simplify right side
    317,811.60x = 51,292,082,098.45
  5. Step 5: Solve for x
    x = 51,292,082,098.45/317,811.60
  6. Step 6: Final answer
    x = 161,391.47

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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.