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Finding the Fourth Proportional to 200,505.46, 300,694.59 and 65,539.01

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Solution

The fourth proportional to 200,505.46, 300,694.59 and 65,539.01 is: 98,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,505.46 : 300,694.59 = 65,539.01 : x
  2. Step 2: Convert to fraction form
    200,505.46/300,694.59 = 65,539.01/x
  3. Step 3: Cross multiply
    200,505.46x = 300,694.59 × 65,539.01
  4. Step 4: Simplify right side
    200,505.46x = 19,707,225,740.96
  5. Step 5: Solve for x
    x = 19,707,225,740.96/200,505.46
  6. Step 6: Final answer
    x = 98,287.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.