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Finding the Fourth Proportional to 706,179.42, 974,533.94 and 383,890.14

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Solution

The fourth proportional to 706,179.42, 974,533.94 and 383,890.14 is: 529,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,179.42 : 974,533.94 = 383,890.14 : x
  2. Step 2: Convert to fraction form
    706,179.42/974,533.94 = 383,890.14/x
  3. Step 3: Cross multiply
    706,179.42x = 974,533.94 × 383,890.14
  4. Step 4: Simplify right side
    706,179.42x = 374,113,970,661.35
  5. Step 5: Solve for x
    x = 374,113,970,661.35/706,179.42
  6. Step 6: Final answer
    x = 529,771.84

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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.