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Finding the Fourth Proportional to 304,431.52, 420,100.60 and 168,463.04

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Solution

The fourth proportional to 304,431.52, 420,100.60 and 168,463.04 is: 232,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,431.52 : 420,100.60 = 168,463.04 : x
  2. Step 2: Convert to fraction form
    304,431.52/420,100.60 = 168,463.04/x
  3. Step 3: Cross multiply
    304,431.52x = 420,100.60 × 168,463.04
  4. Step 4: Simplify right side
    304,431.52x = 70,771,424,181.82
  5. Step 5: Solve for x
    x = 70,771,424,181.82/304,431.52
  6. Step 6: Final answer
    x = 232,470.75

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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.