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Finding the Fourth Proportional to 662,608.40, 994,042.20 and 283,528.40

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Solution

The fourth proportional to 662,608.40, 994,042.20 and 283,528.40 is: 425,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,608.40 : 994,042.20 = 283,528.40 : x
  2. Step 2: Convert to fraction form
    662,608.40/994,042.20 = 283,528.40/x
  3. Step 3: Cross multiply
    662,608.40x = 994,042.20 × 283,528.40
  4. Step 4: Simplify right side
    662,608.40x = 281,839,194,498.48
  5. Step 5: Solve for x
    x = 281,839,194,498.48/662,608.40
  6. Step 6: Final answer
    x = 425,348.06

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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.