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Finding the Fourth Proportional to 304,460.56, 420,156.37 and 168,503.88

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Solution

The fourth proportional to 304,460.56, 420,156.37 and 168,503.88 is: 232,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,460.56 : 420,156.37 = 168,503.88 : x
  2. Step 2: Convert to fraction form
    304,460.56/420,156.37 = 168,503.88/x
  3. Step 3: Cross multiply
    304,460.56x = 420,156.37 × 168,503.88
  4. Step 4: Simplify right side
    304,460.56x = 70,797,978,551.72
  5. Step 5: Solve for x
    x = 70,797,978,551.72/304,460.56
  6. Step 6: Final answer
    x = 232,535.80

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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.