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Finding the Fourth Proportional to 441,683.90, 662,855.61 and 328,094.01

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Solution

The fourth proportional to 441,683.90, 662,855.61 and 328,094.01 is: 492,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,683.90 : 662,855.61 = 328,094.01 : x
  2. Step 2: Convert to fraction form
    441,683.90/662,855.61 = 328,094.01/x
  3. Step 3: Cross multiply
    441,683.90x = 662,855.61 × 328,094.01
  4. Step 4: Simplify right side
    441,683.90x = 217,478,955,135.90
  5. Step 5: Solve for x
    x = 217,478,955,135.90/441,683.90
  6. Step 6: Final answer
    x = 492,385.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.