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Finding the Fourth Proportional to 531,818.32, 796,555.44 and 439,586.44

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Solution

The fourth proportional to 531,818.32, 796,555.44 and 439,586.44 is: 658,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,818.32 : 796,555.44 = 439,586.44 : x
  2. Step 2: Convert to fraction form
    531,818.32/796,555.44 = 439,586.44/x
  3. Step 3: Cross multiply
    531,818.32x = 796,555.44 × 439,586.44
  4. Step 4: Simplify right side
    531,818.32x = 350,154,970,132.23
  5. Step 5: Solve for x
    x = 350,154,970,132.23/531,818.32
  6. Step 6: Final answer
    x = 658,410.88

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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.