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Finding the Fourth Proportional to 304,524.50, 420,237.99 and 168,558.57

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Solution

The fourth proportional to 304,524.50, 420,237.99 and 168,558.57 is: 232,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,524.50 : 420,237.99 = 168,558.57 : x
  2. Step 2: Convert to fraction form
    304,524.50/420,237.99 = 168,558.57/x
  3. Step 3: Cross multiply
    304,524.50x = 420,237.99 × 168,558.57
  4. Step 4: Simplify right side
    304,524.50x = 70,834,714,654.07
  5. Step 5: Solve for x
    x = 70,834,714,654.07/304,524.50
  6. Step 6: Final answer
    x = 232,607.61

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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.