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Finding the Fourth Proportional to 628,014.64, 866,652.02 and 341,528.62

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Solution

The fourth proportional to 628,014.64, 866,652.02 and 341,528.62 is: 471,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,014.64 : 866,652.02 = 341,528.62 : x
  2. Step 2: Convert to fraction form
    628,014.64/866,652.02 = 341,528.62/x
  3. Step 3: Cross multiply
    628,014.64x = 866,652.02 × 341,528.62
  4. Step 4: Simplify right side
    628,014.64x = 295,986,468,410.81
  5. Step 5: Solve for x
    x = 295,986,468,410.81/628,014.64
  6. Step 6: Final answer
    x = 471,305.05

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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.