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Finding the Fourth Proportional to 483,607.68, 666,840.15 and 330,671.04

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Solution

The fourth proportional to 483,607.68, 666,840.15 and 330,671.04 is: 455,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,607.68 : 666,840.15 = 330,671.04 : x
  2. Step 2: Convert to fraction form
    483,607.68/666,840.15 = 330,671.04/x
  3. Step 3: Cross multiply
    483,607.68x = 666,840.15 × 330,671.04
  4. Step 4: Simplify right side
    483,607.68x = 220,504,725,914.26
  5. Step 5: Solve for x
    x = 220,504,725,914.26/483,607.68
  6. Step 6: Final answer
    x = 455,957.87

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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.