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Finding the Fourth Proportional to 706,371.30, 974,785.60 and 384,081.52

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Solution

The fourth proportional to 706,371.30, 974,785.60 and 384,081.52 is: 530,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,371.30 : 974,785.60 = 384,081.52 : x
  2. Step 2: Convert to fraction form
    706,371.30/974,785.60 = 384,081.52/x
  3. Step 3: Cross multiply
    706,371.30x = 974,785.60 × 384,081.52
  4. Step 4: Simplify right side
    706,371.30x = 374,397,134,922.11
  5. Step 5: Solve for x
    x = 374,397,134,922.11/706,371.30
  6. Step 6: Final answer
    x = 530,028.80

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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.