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Finding the Fourth Proportional to 350,855.04, 484,180.30 and 189,710.05

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Solution

The fourth proportional to 350,855.04, 484,180.30 and 189,710.05 is: 261,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,855.04 : 484,180.30 = 189,710.05 : x
  2. Step 2: Convert to fraction form
    350,855.04/484,180.30 = 189,710.05/x
  3. Step 3: Cross multiply
    350,855.04x = 484,180.30 × 189,710.05
  4. Step 4: Simplify right side
    350,855.04x = 91,853,868,922.02
  5. Step 5: Solve for x
    x = 91,853,868,922.02/350,855.04
  6. Step 6: Final answer
    x = 261,800.06

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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.