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Finding the Fourth Proportional to 564,745.06, 847,128.58 and 223,179.40

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Solution

The fourth proportional to 564,745.06, 847,128.58 and 223,179.40 is: 334,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,745.06 : 847,128.58 = 223,179.40 : x
  2. Step 2: Convert to fraction form
    564,745.06/847,128.58 = 223,179.40/x
  3. Step 3: Cross multiply
    564,745.06x = 847,128.58 × 223,179.40
  4. Step 4: Simplify right side
    564,745.06x = 189,061,648,708.21
  5. Step 5: Solve for x
    x = 189,061,648,708.21/564,745.06
  6. Step 6: Final answer
    x = 334,773.44

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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.