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Finding the Fourth Proportional to 291,955.52, 402,912.43 and 164,628.38

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Solution

The fourth proportional to 291,955.52, 402,912.43 and 164,628.38 is: 227,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,955.52 : 402,912.43 = 164,628.38 : x
  2. Step 2: Convert to fraction form
    291,955.52/402,912.43 = 164,628.38/x
  3. Step 3: Cross multiply
    291,955.52x = 402,912.43 × 164,628.38
  4. Step 4: Simplify right side
    291,955.52x = 66,330,821,228.47
  5. Step 5: Solve for x
    x = 66,330,821,228.47/291,955.52
  6. Step 6: Final answer
    x = 227,194.95

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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.