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Finding the Fourth Proportional to 306,846.40, 460,744.80 and 166,878.40

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Solution

The fourth proportional to 306,846.40, 460,744.80 and 166,878.40 is: 250,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,846.40 : 460,744.80 = 166,878.40 : x
  2. Step 2: Convert to fraction form
    306,846.40/460,744.80 = 166,878.40/x
  3. Step 3: Cross multiply
    306,846.40x = 460,744.80 × 166,878.40
  4. Step 4: Simplify right side
    306,846.40x = 76,888,355,032.32
  5. Step 5: Solve for x
    x = 76,888,355,032.32/306,846.40
  6. Step 6: Final answer
    x = 250,576.04

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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.