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Finding the Fourth Proportional to 317,662.36, 476,552.00 and 104,442.30

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Solution

The fourth proportional to 317,662.36, 476,552.00 and 104,442.30 is: 156,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,662.36 : 476,552.00 = 104,442.30 : x
  2. Step 2: Convert to fraction form
    317,662.36/476,552.00 = 104,442.30/x
  3. Step 3: Cross multiply
    317,662.36x = 476,552.00 × 104,442.30
  4. Step 4: Simplify right side
    317,662.36x = 49,772,187,210.71
  5. Step 5: Solve for x
    x = 49,772,187,210.71/317,662.36
  6. Step 6: Final answer
    x = 156,682.67

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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.