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Finding the Fourth Proportional to 301,471.87, 416,036.06 and 165,518.35

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Solution

The fourth proportional to 301,471.87, 416,036.06 and 165,518.35 is: 228,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,471.87 : 416,036.06 = 165,518.35 : x
  2. Step 2: Convert to fraction form
    301,471.87/416,036.06 = 165,518.35/x
  3. Step 3: Cross multiply
    301,471.87x = 416,036.06 × 165,518.35
  4. Step 4: Simplify right side
    301,471.87x = 68,861,602,191.70
  5. Step 5: Solve for x
    x = 68,861,602,191.70/301,471.87
  6. Step 6: Final answer
    x = 228,418.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.