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Finding the Fourth Proportional to 304,998.60, 457,497.90 and 94,657.80

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Solution

The fourth proportional to 304,998.60, 457,497.90 and 94,657.80 is: 141,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,998.60 : 457,497.90 = 94,657.80 : x
  2. Step 2: Convert to fraction form
    304,998.60/457,497.90 = 94,657.80/x
  3. Step 3: Cross multiply
    304,998.60x = 457,497.90 × 94,657.80
  4. Step 4: Simplify right side
    304,998.60x = 43,305,744,718.62
  5. Step 5: Solve for x
    x = 43,305,744,718.62/304,998.60
  6. Step 6: Final answer
    x = 141,986.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.