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Finding the Fourth Proportional to 370,144.60, 510,790.15 and 206,802.37

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Solution

The fourth proportional to 370,144.60, 510,790.15 and 206,802.37 is: 285,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,144.60 : 510,790.15 = 206,802.37 : x
  2. Step 2: Convert to fraction form
    370,144.60/510,790.15 = 206,802.37/x
  3. Step 3: Cross multiply
    370,144.60x = 510,790.15 × 206,802.37
  4. Step 4: Simplify right side
    370,144.60x = 105,632,611,616.45
  5. Step 5: Solve for x
    x = 105,632,611,616.45/370,144.60
  6. Step 6: Final answer
    x = 285,382.01

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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.