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Finding the Fourth Proportional to 344,879.79, 476,066.52 and 259,087.63

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Solution

The fourth proportional to 344,879.79, 476,066.52 and 259,087.63 is: 357,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,879.79 : 476,066.52 = 259,087.63 : x
  2. Step 2: Convert to fraction form
    344,879.79/476,066.52 = 259,087.63/x
  3. Step 3: Cross multiply
    344,879.79x = 476,066.52 × 259,087.63
  4. Step 4: Simplify right side
    344,879.79x = 123,342,946,389.15
  5. Step 5: Solve for x
    x = 123,342,946,389.15/344,879.79
  6. Step 6: Final answer
    x = 357,640.40

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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.