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Finding the Fourth Proportional to 304,084.40, 456,126.60 and 154,266.80

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Solution

The fourth proportional to 304,084.40, 456,126.60 and 154,266.80 is: 231,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,084.40 : 456,126.60 = 154,266.80 : x
  2. Step 2: Convert to fraction form
    304,084.40/456,126.60 = 154,266.80/x
  3. Step 3: Cross multiply
    304,084.40x = 456,126.60 × 154,266.80
  4. Step 4: Simplify right side
    304,084.40x = 70,365,190,976.88
  5. Step 5: Solve for x
    x = 70,365,190,976.88/304,084.40
  6. Step 6: Final answer
    x = 231,400.20

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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.