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Finding the Fourth Proportional to 594,607.64, 891,682.43 and 215,415.86

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Solution

The fourth proportional to 594,607.64, 891,682.43 and 215,415.86 is: 323,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,607.64 : 891,682.43 = 215,415.86 : x
  2. Step 2: Convert to fraction form
    594,607.64/891,682.43 = 215,415.86/x
  3. Step 3: Cross multiply
    594,607.64x = 891,682.43 × 215,415.86
  4. Step 4: Simplify right side
    594,607.64x = 192,082,531,969.85
  5. Step 5: Solve for x
    x = 192,082,531,969.85/594,607.64
  6. Step 6: Final answer
    x = 323,040.81

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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.