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Finding the Fourth Proportional to 341,707.52, 471,778.08 and 305,835.32

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Solution

The fourth proportional to 341,707.52, 471,778.08 and 305,835.32 is: 422,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,707.52 : 471,778.08 = 305,835.32 : x
  2. Step 2: Convert to fraction form
    341,707.52/471,778.08 = 305,835.32/x
  3. Step 3: Cross multiply
    341,707.52x = 471,778.08 × 305,835.32
  4. Step 4: Simplify right side
    341,707.52x = 144,286,400,065.79
  5. Step 5: Solve for x
    x = 144,286,400,065.79/341,707.52
  6. Step 6: Final answer
    x = 422,251.17

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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.