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Finding the Fourth Proportional to 705,771.92, 973,969.60 and 383,482.91

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Solution

The fourth proportional to 705,771.92, 973,969.60 and 383,482.91 is: 529,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,771.92 : 973,969.60 = 383,482.91 : x
  2. Step 2: Convert to fraction form
    705,771.92/973,969.60 = 383,482.91/x
  3. Step 3: Cross multiply
    705,771.92x = 973,969.60 × 383,482.91
  4. Step 4: Simplify right side
    705,771.92x = 373,500,690,630.98
  5. Step 5: Solve for x
    x = 373,500,690,630.98/705,771.92
  6. Step 6: Final answer
    x = 529,208.78

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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.