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Finding the Fourth Proportional to 304,692.58, 420,470.56 and 168,723.60

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Solution

The fourth proportional to 304,692.58, 420,470.56 and 168,723.60 is: 232,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,692.58 : 420,470.56 = 168,723.60 : x
  2. Step 2: Convert to fraction form
    304,692.58/420,470.56 = 168,723.60/x
  3. Step 3: Cross multiply
    304,692.58x = 420,470.56 × 168,723.60
  4. Step 4: Simplify right side
    304,692.58x = 70,943,305,211.36
  5. Step 5: Solve for x
    x = 70,943,305,211.36/304,692.58
  6. Step 6: Final answer
    x = 232,835.68

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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.