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Finding the Fourth Proportional to 403,052.64, 604,656.72 and 225,759.84

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Solution

The fourth proportional to 403,052.64, 604,656.72 and 225,759.84 is: 338,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,052.64 : 604,656.72 = 225,759.84 : x
  2. Step 2: Convert to fraction form
    403,052.64/604,656.72 = 225,759.84/x
  3. Step 3: Cross multiply
    403,052.64x = 604,656.72 × 225,759.84
  4. Step 4: Simplify right side
    403,052.64x = 136,507,204,362.13
  5. Step 5: Solve for x
    x = 136,507,204,362.13/403,052.64
  6. Step 6: Final answer
    x = 338,683.32

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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.