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Finding the Fourth Proportional to 260,333.41, 390,861.52 and 134,063.93

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Solution

The fourth proportional to 260,333.41, 390,861.52 and 134,063.93 is: 201,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,333.41 : 390,861.52 = 134,063.93 : x
  2. Step 2: Convert to fraction form
    260,333.41/390,861.52 = 134,063.93/x
  3. Step 3: Cross multiply
    260,333.41x = 390,861.52 × 134,063.93
  4. Step 4: Simplify right side
    260,333.41x = 52,400,431,456.97
  5. Step 5: Solve for x
    x = 52,400,431,456.97/260,333.41
  6. Step 6: Final answer
    x = 201,282.01

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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.