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Finding the Fourth Proportional to 445,659.87, 615,008.85 and 241,709.97

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Solution

The fourth proportional to 445,659.87, 615,008.85 and 241,709.97 is: 333,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,659.87 : 615,008.85 = 241,709.97 : x
  2. Step 2: Convert to fraction form
    445,659.87/615,008.85 = 241,709.97/x
  3. Step 3: Cross multiply
    445,659.87x = 615,008.85 × 241,709.97
  4. Step 4: Simplify right side
    445,659.87x = 148,653,773,442.72
  5. Step 5: Solve for x
    x = 148,653,773,442.72/445,659.87
  6. Step 6: Final answer
    x = 333,558.80

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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.