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Finding the Fourth Proportional to 317,668.77, 476,590.64 and 107,454.33

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Solution

The fourth proportional to 317,668.77, 476,590.64 and 107,454.33 is: 161,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,668.77 : 476,590.64 = 107,454.33 : x
  2. Step 2: Convert to fraction form
    317,668.77/476,590.64 = 107,454.33/x
  3. Step 3: Cross multiply
    317,668.77x = 476,590.64 × 107,454.33
  4. Step 4: Simplify right side
    317,668.77x = 51,211,727,368.20
  5. Step 5: Solve for x
    x = 51,211,727,368.20/317,668.77
  6. Step 6: Final answer
    x = 161,211.09

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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.