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Finding the Fourth Proportional to 706,629.38, 975,120.50 and 384,339.02

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Solution

The fourth proportional to 706,629.38, 975,120.50 and 384,339.02 is: 530,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,629.38 : 975,120.50 = 384,339.02 : x
  2. Step 2: Convert to fraction form
    706,629.38/975,120.50 = 384,339.02/x
  3. Step 3: Cross multiply
    706,629.38x = 975,120.50 × 384,339.02
  4. Step 4: Simplify right side
    706,629.38x = 374,776,857,351.91
  5. Step 5: Solve for x
    x = 374,776,857,351.91/706,629.38
  6. Step 6: Final answer
    x = 530,372.59

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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.