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Finding the Fourth Proportional to 908,994.80, 1,255,599.96 and 737,553.44

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Solution

The fourth proportional to 908,994.80, 1,255,599.96 and 737,553.44 is: 1,018,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,994.80 : 1,255,599.96 = 737,553.44 : x
  2. Step 2: Convert to fraction form
    908,994.80/1,255,599.96 = 737,553.44/x
  3. Step 3: Cross multiply
    908,994.80x = 1,255,599.96 × 737,553.44
  4. Step 4: Simplify right side
    908,994.80x = 926,072,069,761.86
  5. Step 5: Solve for x
    x = 926,072,069,761.86/908,994.80
  6. Step 6: Final answer
    x = 1,018,786.98

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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.