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Finding the Fourth Proportional to 706,197.46, 974,571.60 and 383,929.24

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Solution

The fourth proportional to 706,197.46, 974,571.60 and 383,929.24 is: 529,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,197.46 : 974,571.60 = 383,929.24 : x
  2. Step 2: Convert to fraction form
    706,197.46/974,571.60 = 383,929.24/x
  3. Step 3: Cross multiply
    706,197.46x = 974,571.60 × 383,929.24
  4. Step 4: Simplify right side
    706,197.46x = 374,166,533,713.58
  5. Step 5: Solve for x
    x = 374,166,533,713.58/706,197.46
  6. Step 6: Final answer
    x = 529,832.74

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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.