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Finding the Fourth Proportional to 445,718.57, 615,087.98 and 241,768.97

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Solution

The fourth proportional to 445,718.57, 615,087.98 and 241,768.97 is: 333,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,718.57 : 615,087.98 = 241,768.97 : x
  2. Step 2: Convert to fraction form
    445,718.57/615,087.98 = 241,768.97/x
  3. Step 3: Cross multiply
    445,718.57x = 615,087.98 × 241,768.97
  4. Step 4: Simplify right side
    445,718.57x = 148,709,189,526.12
  5. Step 5: Solve for x
    x = 148,709,189,526.12/445,718.57
  6. Step 6: Final answer
    x = 333,639.21

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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.