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Finding the Fourth Proportional to 713,268.91, 984,411.78 and 441,424.35

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Solution

The fourth proportional to 713,268.91, 984,411.78 and 441,424.35 is: 609,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,268.91 : 984,411.78 = 441,424.35 : x
  2. Step 2: Convert to fraction form
    713,268.91/984,411.78 = 441,424.35/x
  3. Step 3: Cross multiply
    713,268.91x = 984,411.78 × 441,424.35
  4. Step 4: Simplify right side
    713,268.91x = 434,543,330,118.84
  5. Step 5: Solve for x
    x = 434,543,330,118.84/713,268.91
  6. Step 6: Final answer
    x = 609,227.91

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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.