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Finding the Fourth Proportional to 265,554.40, 366,460.46 and 144,696.68

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Solution

The fourth proportional to 265,554.40, 366,460.46 and 144,696.68 is: 199,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,554.40 : 366,460.46 = 144,696.68 : x
  2. Step 2: Convert to fraction form
    265,554.40/366,460.46 = 144,696.68/x
  3. Step 3: Cross multiply
    265,554.40x = 366,460.46 × 144,696.68
  4. Step 4: Simplify right side
    265,554.40x = 53,025,611,913.27
  5. Step 5: Solve for x
    x = 53,025,611,913.27/265,554.40
  6. Step 6: Final answer
    x = 199,678.91

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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.