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Finding the Fourth Proportional to 341,441.92, 471,215.94 and 188,509.57

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Solution

The fourth proportional to 341,441.92, 471,215.94 and 188,509.57 is: 260,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,441.92 : 471,215.94 = 188,509.57 : x
  2. Step 2: Convert to fraction form
    341,441.92/471,215.94 = 188,509.57/x
  3. Step 3: Cross multiply
    341,441.92x = 471,215.94 × 188,509.57
  4. Step 4: Simplify right side
    341,441.92x = 88,828,710,927.92
  5. Step 5: Solve for x
    x = 88,828,710,927.92/341,441.92
  6. Step 6: Final answer
    x = 260,157.61

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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.