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Finding the Fourth Proportional to 652,940.19, 901,057.46 and 366,460.28

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Solution

The fourth proportional to 652,940.19, 901,057.46 and 366,460.28 is: 505,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,940.19 : 901,057.46 = 366,460.28 : x
  2. Step 2: Convert to fraction form
    652,940.19/901,057.46 = 366,460.28/x
  3. Step 3: Cross multiply
    652,940.19x = 901,057.46 × 366,460.28
  4. Step 4: Simplify right side
    652,940.19x = 330,201,765,498.55
  5. Step 5: Solve for x
    x = 330,201,765,498.55/652,940.19
  6. Step 6: Final answer
    x = 505,715.18

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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.