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Finding the Fourth Proportional to 350,356.80, 483,492.29 and 189,211.80

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Solution

The fourth proportional to 350,356.80, 483,492.29 and 189,211.80 is: 261,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,356.80 : 483,492.29 = 189,211.80 : x
  2. Step 2: Convert to fraction form
    350,356.80/483,492.29 = 189,211.80/x
  3. Step 3: Cross multiply
    350,356.80x = 483,492.29 × 189,211.80
  4. Step 4: Simplify right side
    350,356.80x = 91,482,445,530.96
  5. Step 5: Solve for x
    x = 91,482,445,530.96/350,356.80
  6. Step 6: Final answer
    x = 261,112.23

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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.