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Finding the Fourth Proportional to 304,670.60, 420,440.27 and 168,701.62

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Solution

The fourth proportional to 304,670.60, 420,440.27 and 168,701.62 is: 232,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,670.60 : 420,440.27 = 168,701.62 : x
  2. Step 2: Convert to fraction form
    304,670.60/420,440.27 = 168,701.62/x
  3. Step 3: Cross multiply
    304,670.60x = 420,440.27 × 168,701.62
  4. Step 4: Simplify right side
    304,670.60x = 70,928,954,662.24
  5. Step 5: Solve for x
    x = 70,928,954,662.24/304,670.60
  6. Step 6: Final answer
    x = 232,805.38

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1.5x scale

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.