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Finding the Fourth Proportional to 448,955.42, 673,433.15 and 299,487.60

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Solution

The fourth proportional to 448,955.42, 673,433.15 and 299,487.60 is: 449,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,955.42 : 673,433.15 = 299,487.60 : x
  2. Step 2: Convert to fraction form
    448,955.42/673,433.15 = 299,487.60/x
  3. Step 3: Cross multiply
    448,955.42x = 673,433.15 × 299,487.60
  4. Step 4: Simplify right side
    448,955.42x = 201,684,876,356.50
  5. Step 5: Solve for x
    x = 201,684,876,356.50/448,955.42
  6. Step 6: Final answer
    x = 449,231.42

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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.