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Finding the Fourth Proportional to 706,240.28, 974,622.68 and 383,951.61

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Solution

The fourth proportional to 706,240.28, 974,622.68 and 383,951.61 is: 529,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,240.28 : 974,622.68 = 383,951.61 : x
  2. Step 2: Convert to fraction form
    706,240.28/974,622.68 = 383,951.61/x
  3. Step 3: Cross multiply
    706,240.28x = 974,622.68 × 383,951.61
  4. Step 4: Simplify right side
    706,240.28x = 374,207,947,128.52
  5. Step 5: Solve for x
    x = 374,207,947,128.52/706,240.28
  6. Step 6: Final answer
    x = 529,859.25

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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.