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Finding the Fourth Proportional to 706,197.64, 1,058,870 and 284,981.44

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Solution

The fourth proportional to 706,197.64, 1,058,870 and 284,981.44 is: 427,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,197.64 : 1,058,870 = 284,981.44 : x
  2. Step 2: Convert to fraction form
    706,197.64/1,058,870 = 284,981.44/x
  3. Step 3: Cross multiply
    706,197.64x = 1,058,870 × 284,981.44
  4. Step 4: Simplify right side
    706,197.64x = 301,758,297,372.80
  5. Step 5: Solve for x
    x = 301,758,297,372.80/706,197.64
  6. Step 6: Final answer
    x = 427,300.06

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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.