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Finding the Fourth Proportional to 705,765.56, 973,954.85 and 383,476.95

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Solution

The fourth proportional to 705,765.56, 973,954.85 and 383,476.95 is: 529,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,765.56 : 973,954.85 = 383,476.95 : x
  2. Step 2: Convert to fraction form
    705,765.56/973,954.85 = 383,476.95/x
  3. Step 3: Cross multiply
    705,765.56x = 973,954.85 × 383,476.95
  4. Step 4: Simplify right side
    705,765.56x = 373,489,233,398.32
  5. Step 5: Solve for x
    x = 373,489,233,398.32/705,765.56
  6. Step 6: Final answer
    x = 529,197.31

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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.