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Finding the Fourth Proportional to 445,951.40, 615,409.80 and 241,997.12

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Solution

The fourth proportional to 445,951.40, 615,409.80 and 241,997.12 is: 333,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,951.40 : 615,409.80 = 241,997.12 : x
  2. Step 2: Convert to fraction form
    445,951.40/615,409.80 = 241,997.12/x
  3. Step 3: Cross multiply
    445,951.40x = 615,409.80 × 241,997.12
  4. Step 4: Simplify right side
    445,951.40x = 148,927,399,219.78
  5. Step 5: Solve for x
    x = 148,927,399,219.78/445,951.40
  6. Step 6: Final answer
    x = 333,954.33

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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.