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Finding the Fourth Proportional to 350,928.02, 484,328.49 and 214,969.52

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Solution

The fourth proportional to 350,928.02, 484,328.49 and 214,969.52 is: 296,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,928.02 : 484,328.49 = 214,969.52 : x
  2. Step 2: Convert to fraction form
    350,928.02/484,328.49 = 214,969.52/x
  3. Step 3: Cross multiply
    350,928.02x = 484,328.49 × 214,969.52
  4. Step 4: Simplify right side
    350,928.02x = 104,115,863,017.63
  5. Step 5: Solve for x
    x = 104,115,863,017.63/350,928.02
  6. Step 6: Final answer
    x = 296,687.23

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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.