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Finding the Fourth Proportional to 531,452.80, 796,939.30 and 152,286.81

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Solution

The fourth proportional to 531,452.80, 796,939.30 and 152,286.81 is: 228,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,452.80 : 796,939.30 = 152,286.81 : x
  2. Step 2: Convert to fraction form
    531,452.80/796,939.30 = 152,286.81/x
  3. Step 3: Cross multiply
    531,452.80x = 796,939.30 × 152,286.81
  4. Step 4: Simplify right side
    531,452.80x = 121,363,343,760.63
  5. Step 5: Solve for x
    x = 121,363,343,760.63/531,452.80
  6. Step 6: Final answer
    x = 228,361.47

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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.