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Finding the Fourth Proportional to 448,168.75, 618,457.19 and 251,929.24

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Solution

The fourth proportional to 448,168.75, 618,457.19 and 251,929.24 is: 347,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,168.75 : 618,457.19 = 251,929.24 : x
  2. Step 2: Convert to fraction form
    448,168.75/618,457.19 = 251,929.24/x
  3. Step 3: Cross multiply
    448,168.75x = 618,457.19 × 251,929.24
  4. Step 4: Simplify right side
    448,168.75x = 155,807,449,362.66
  5. Step 5: Solve for x
    x = 155,807,449,362.66/448,168.75
  6. Step 6: Final answer
    x = 347,653.53

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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.