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Finding the Fourth Proportional to 445,870.28, 615,300.17 and 241,921.17

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Solution

The fourth proportional to 445,870.28, 615,300.17 and 241,921.17 is: 333,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,870.28 : 615,300.17 = 241,921.17 : x
  2. Step 2: Convert to fraction form
    445,870.28/615,300.17 = 241,921.17/x
  3. Step 3: Cross multiply
    445,870.28x = 615,300.17 × 241,921.17
  4. Step 4: Simplify right side
    445,870.28x = 148,854,135,817.99
  5. Step 5: Solve for x
    x = 148,854,135,817.99/445,870.28
  6. Step 6: Final answer
    x = 333,850.77

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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.