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Finding the Fourth Proportional to 341,340.27, 512,238.93 and 141,660.82

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Solution

The fourth proportional to 341,340.27, 512,238.93 and 141,660.82 is: 212,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,340.27 : 512,238.93 = 141,660.82 : x
  2. Step 2: Convert to fraction form
    341,340.27/512,238.93 = 141,660.82/x
  3. Step 3: Cross multiply
    341,340.27x = 512,238.93 × 141,660.82
  4. Step 4: Simplify right side
    341,340.27x = 72,564,186,859.72
  5. Step 5: Solve for x
    x = 72,564,186,859.72/341,340.27
  6. Step 6: Final answer
    x = 212,586.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.