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Finding the Fourth Proportional to 445,715.28, 615,083.51 and 241,765.70

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Solution

The fourth proportional to 445,715.28, 615,083.51 and 241,765.70 is: 333,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,715.28 : 615,083.51 = 241,765.70 : x
  2. Step 2: Convert to fraction form
    445,715.28/615,083.51 = 241,765.70/x
  3. Step 3: Cross multiply
    445,715.28x = 615,083.51 × 241,765.70
  4. Step 4: Simplify right side
    445,715.28x = 148,706,091,069.36
  5. Step 5: Solve for x
    x = 148,706,091,069.36/445,715.28
  6. Step 6: Final answer
    x = 333,634.72

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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.