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Finding the Fourth Proportional to 713,264.91, 984,406.26 and 441,420.35

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Solution

The fourth proportional to 713,264.91, 984,406.26 and 441,420.35 is: 609,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,264.91 : 984,406.26 = 441,420.35 : x
  2. Step 2: Convert to fraction form
    713,264.91/984,406.26 = 441,420.35/x
  3. Step 3: Cross multiply
    713,264.91x = 984,406.26 × 441,420.35
  4. Step 4: Simplify right side
    713,264.91x = 434,536,958,101.97
  5. Step 5: Solve for x
    x = 434,536,958,101.97/713,264.91
  6. Step 6: Final answer
    x = 609,222.40

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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.