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Finding the Fourth Proportional to 301,903.92, 416,666.79 and 194,785.56

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Solution

The fourth proportional to 301,903.92, 416,666.79 and 194,785.56 is: 268,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,903.92 : 416,666.79 = 194,785.56 : x
  2. Step 2: Convert to fraction form
    301,903.92/416,666.79 = 194,785.56/x
  3. Step 3: Cross multiply
    301,903.92x = 416,666.79 × 194,785.56
  4. Step 4: Simplify right side
    301,903.92x = 81,160,674,023.55
  5. Step 5: Solve for x
    x = 81,160,674,023.55/301,903.92
  6. Step 6: Final answer
    x = 268,829.48

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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.