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Finding the Fourth Proportional to 706,455.46, 974,920.44 and 384,175.05

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Solution

The fourth proportional to 706,455.46, 974,920.44 and 384,175.05 is: 530,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,455.46 : 974,920.44 = 384,175.05 : x
  2. Step 2: Convert to fraction form
    706,455.46/974,920.44 = 384,175.05/x
  3. Step 3: Cross multiply
    706,455.46x = 974,920.44 × 384,175.05
  4. Step 4: Simplify right side
    706,455.46x = 374,540,108,783.02
  5. Step 5: Solve for x
    x = 374,540,108,783.02/706,455.46
  6. Step 6: Final answer
    x = 530,168.04

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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.