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Finding the Fourth Proportional to 384,847.34, 530,745.45 and 241,620.74

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Solution

The fourth proportional to 384,847.34, 530,745.45 and 241,620.74 is: 333,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,847.34 : 530,745.45 = 241,620.74 : x
  2. Step 2: Convert to fraction form
    384,847.34/530,745.45 = 241,620.74/x
  3. Step 3: Cross multiply
    384,847.34x = 530,745.45 × 241,620.74
  4. Step 4: Simplify right side
    384,847.34x = 128,239,108,380.63
  5. Step 5: Solve for x
    x = 128,239,108,380.63/384,847.34
  6. Step 6: Final answer
    x = 333,220.72

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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.