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Finding the Fourth Proportional to 441,797.94, 609,683.49 and 258,143.40

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Solution

The fourth proportional to 441,797.94, 609,683.49 and 258,143.40 is: 356,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,797.94 : 609,683.49 = 258,143.40 : x
  2. Step 2: Convert to fraction form
    441,797.94/609,683.49 = 258,143.40/x
  3. Step 3: Cross multiply
    441,797.94x = 609,683.49 × 258,143.40
  4. Step 4: Simplify right side
    441,797.94x = 157,385,769,032.47
  5. Step 5: Solve for x
    x = 157,385,769,032.47/441,797.94
  6. Step 6: Final answer
    x = 356,239.26

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1.5x scale

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.