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Finding the Fourth Proportional to 383,675.77, 529,476.51 and 211,599.91

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Solution

The fourth proportional to 383,675.77, 529,476.51 and 211,599.91 is: 292,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,675.77 : 529,476.51 = 211,599.91 : x
  2. Step 2: Convert to fraction form
    383,675.77/529,476.51 = 211,599.91/x
  3. Step 3: Cross multiply
    383,675.77x = 529,476.51 × 211,599.91
  4. Step 4: Simplify right side
    383,675.77x = 112,037,181,863.11
  5. Step 5: Solve for x
    x = 112,037,181,863.11/383,675.77
  6. Step 6: Final answer
    x = 292,010.05

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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.