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Finding the Fourth Proportional to 461,166, 636,409.08 and 249,198

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Solution

The fourth proportional to 461,166, 636,409.08 and 249,198 is: 343,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,166 : 636,409.08 = 249,198 : x
  2. Step 2: Convert to fraction form
    461,166/636,409.08 = 249,198/x
  3. Step 3: Cross multiply
    461,166x = 636,409.08 × 249,198
  4. Step 4: Simplify right side
    461,166x = 158,591,869,917.84
  5. Step 5: Solve for x
    x = 158,591,869,917.84/461,166
  6. Step 6: Final answer
    x = 343,893.24

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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.