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Finding the Fourth Proportional to 447,912.42, 618,119.10 and 246,708.42

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Solution

The fourth proportional to 447,912.42, 618,119.10 and 246,708.42 is: 340,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,912.42 : 618,119.10 = 246,708.42 : x
  2. Step 2: Convert to fraction form
    447,912.42/618,119.10 = 246,708.42/x
  3. Step 3: Cross multiply
    447,912.42x = 618,119.10 × 246,708.42
  4. Step 4: Simplify right side
    447,912.42x = 152,495,186,532.82
  5. Step 5: Solve for x
    x = 152,495,186,532.82/447,912.42
  6. Step 6: Final answer
    x = 340,457.60

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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.