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Finding the Fourth Proportional to 537,127.80, 804,770.10 and 256,039.80

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Solution

The fourth proportional to 537,127.80, 804,770.10 and 256,039.80 is: 383,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,127.80 : 804,770.10 = 256,039.80 : x
  2. Step 2: Convert to fraction form
    537,127.80/804,770.10 = 256,039.80/x
  3. Step 3: Cross multiply
    537,127.80x = 804,770.10 × 256,039.80
  4. Step 4: Simplify right side
    537,127.80x = 206,053,175,449.98
  5. Step 5: Solve for x
    x = 206,053,175,449.98/537,127.80
  6. Step 6: Final answer
    x = 383,620.39

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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.