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Finding the Fourth Proportional to 341,238.80, 470,943.24 and 255,048.32

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Solution

The fourth proportional to 341,238.80, 470,943.24 and 255,048.32 is: 351,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,238.80 : 470,943.24 = 255,048.32 : x
  2. Step 2: Convert to fraction form
    341,238.80/470,943.24 = 255,048.32/x
  3. Step 3: Cross multiply
    341,238.80x = 470,943.24 × 255,048.32
  4. Step 4: Simplify right side
    341,238.80x = 120,113,282,177.36
  5. Step 5: Solve for x
    x = 120,113,282,177.36/341,238.80
  6. Step 6: Final answer
    x = 351,991.87

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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.