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Finding the Fourth Proportional to 554,853.81, 765,480.40 and 322,241.15

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Solution

The fourth proportional to 554,853.81, 765,480.40 and 322,241.15 is: 444,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,853.81 : 765,480.40 = 322,241.15 : x
  2. Step 2: Convert to fraction form
    554,853.81/765,480.40 = 322,241.15/x
  3. Step 3: Cross multiply
    554,853.81x = 765,480.40 × 322,241.15
  4. Step 4: Simplify right side
    554,853.81x = 246,669,282,787.25
  5. Step 5: Solve for x
    x = 246,669,282,787.25/554,853.81
  6. Step 6: Final answer
    x = 444,566.26

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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.