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Finding the Fourth Proportional to 365,990.06, 505,066.19 and 204,845.10

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Solution

The fourth proportional to 365,990.06, 505,066.19 and 204,845.10 is: 282,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,990.06 : 505,066.19 = 204,845.10 : x
  2. Step 2: Convert to fraction form
    365,990.06/505,066.19 = 204,845.10/x
  3. Step 3: Cross multiply
    365,990.06x = 505,066.19 × 204,845.10
  4. Step 4: Simplify right side
    365,990.06x = 103,460,334,709.28
  5. Step 5: Solve for x
    x = 103,460,334,709.28/365,990.06
  6. Step 6: Final answer
    x = 282,686.19

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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.