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Finding the Fourth Proportional to 454,873.60, 627,711.96 and 253,669.60

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Solution

The fourth proportional to 454,873.60, 627,711.96 and 253,669.60 is: 350,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,873.60 : 627,711.96 = 253,669.60 : x
  2. Step 2: Convert to fraction form
    454,873.60/627,711.96 = 253,669.60/x
  3. Step 3: Cross multiply
    454,873.60x = 627,711.96 × 253,669.60
  4. Step 4: Simplify right side
    454,873.60x = 159,231,441,808.42
  5. Step 5: Solve for x
    x = 159,231,441,808.42/454,873.60
  6. Step 6: Final answer
    x = 350,056.46

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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.