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Finding the Fourth Proportional to 350,530.68, 483,732.54 and 189,385.68

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Solution

The fourth proportional to 350,530.68, 483,732.54 and 189,385.68 is: 261,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,530.68 : 483,732.54 = 189,385.68 : x
  2. Step 2: Convert to fraction form
    350,530.68/483,732.54 = 189,385.68/x
  3. Step 3: Cross multiply
    350,530.68x = 483,732.54 × 189,385.68
  4. Step 4: Simplify right side
    350,530.68x = 91,612,016,026.03
  5. Step 5: Solve for x
    x = 91,612,016,026.03/350,530.68
  6. Step 6: Final answer
    x = 261,352.35

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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.