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Finding the Fourth Proportional to 488,754.32, 732,671.81 and 263,777.63

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Solution

The fourth proportional to 488,754.32, 732,671.81 and 263,777.63 is: 395,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,754.32 : 732,671.81 = 263,777.63 : x
  2. Step 2: Convert to fraction form
    488,754.32/732,671.81 = 263,777.63/x
  3. Step 3: Cross multiply
    488,754.32x = 732,671.81 × 263,777.63
  4. Step 4: Simplify right side
    488,754.32x = 193,262,432,290.72
  5. Step 5: Solve for x
    x = 193,262,432,290.72/488,754.32
  6. Step 6: Final answer
    x = 395,418.36

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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.