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Finding the Fourth Proportional to 704,797.66, 972,621.43 and 382,507.84

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Solution

The fourth proportional to 704,797.66, 972,621.43 and 382,507.84 is: 527,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,797.66 : 972,621.43 = 382,507.84 : x
  2. Step 2: Convert to fraction form
    704,797.66/972,621.43 = 382,507.84/x
  3. Step 3: Cross multiply
    704,797.66x = 972,621.43 × 382,507.84
  4. Step 4: Simplify right side
    704,797.66x = 372,035,321,856.66
  5. Step 5: Solve for x
    x = 372,035,321,856.66/704,797.66
  6. Step 6: Final answer
    x = 527,861.18

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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.