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Finding the Fourth Proportional to 441,683.40, 662,854.86 and 328,093.51

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Solution

The fourth proportional to 441,683.40, 662,854.86 and 328,093.51 is: 492,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,683.40 : 662,854.86 = 328,093.51 : x
  2. Step 2: Convert to fraction form
    441,683.40/662,854.86 = 328,093.51/x
  3. Step 3: Cross multiply
    441,683.40x = 662,854.86 × 328,093.51
  4. Step 4: Simplify right side
    441,683.40x = 217,478,375,980.82
  5. Step 5: Solve for x
    x = 217,478,375,980.82/441,683.40
  6. Step 6: Final answer
    x = 492,385.22

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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.