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Finding the Fourth Proportional to 350,078.76, 483,111.54 and 199,185.48

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Solution

The fourth proportional to 350,078.76, 483,111.54 and 199,185.48 is: 274,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,078.76 : 483,111.54 = 199,185.48 : x
  2. Step 2: Convert to fraction form
    350,078.76/483,111.54 = 199,185.48/x
  3. Step 3: Cross multiply
    350,078.76x = 483,111.54 × 199,185.48
  4. Step 4: Simplify right side
    350,078.76x = 96,228,803,988.44
  5. Step 5: Solve for x
    x = 96,228,803,988.44/350,078.76
  6. Step 6: Final answer
    x = 274,877.58

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1.5x scale

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.