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Finding the Fourth Proportional to 350,720.52, 484,041.72 and 197,790.16

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Solution

The fourth proportional to 350,720.52, 484,041.72 and 197,790.16 is: 272,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,720.52 : 484,041.72 = 197,790.16 : x
  2. Step 2: Convert to fraction form
    350,720.52/484,041.72 = 197,790.16/x
  3. Step 3: Cross multiply
    350,720.52x = 484,041.72 × 197,790.16
  4. Step 4: Simplify right side
    350,720.52x = 95,738,689,245.48
  5. Step 5: Solve for x
    x = 95,738,689,245.48/350,720.52
  6. Step 6: Final answer
    x = 272,977.15

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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.