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Finding the Fourth Proportional to 346,794.56, 476,738.08 and 298,218.32

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Solution

The fourth proportional to 346,794.56, 476,738.08 and 298,218.32 is: 409,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,794.56 : 476,738.08 = 298,218.32 : x
  2. Step 2: Convert to fraction form
    346,794.56/476,738.08 = 298,218.32/x
  3. Step 3: Cross multiply
    346,794.56x = 476,738.08 × 298,218.32
  4. Step 4: Simplify right side
    346,794.56x = 142,172,029,297.63
  5. Step 5: Solve for x
    x = 142,172,029,297.63/346,794.56
  6. Step 6: Final answer
    x = 409,960.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.