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Finding the Fourth Proportional to 350,959.06, 484,323.50 and 189,814.12

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Solution

The fourth proportional to 350,959.06, 484,323.50 and 189,814.12 is: 261,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,959.06 : 484,323.50 = 189,814.12 : x
  2. Step 2: Convert to fraction form
    350,959.06/484,323.50 = 189,814.12/x
  3. Step 3: Cross multiply
    350,959.06x = 484,323.50 × 189,814.12
  4. Step 4: Simplify right side
    350,959.06x = 91,931,436,526.20
  5. Step 5: Solve for x
    x = 91,931,436,526.20/350,959.06
  6. Step 6: Final answer
    x = 261,943.48

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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.