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Finding the Fourth Proportional to 479,825.64, 662,164.74 and 264,965.40

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Solution

The fourth proportional to 479,825.64, 662,164.74 and 264,965.40 is: 365,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,825.64 : 662,164.74 = 264,965.40 : x
  2. Step 2: Convert to fraction form
    479,825.64/662,164.74 = 264,965.40/x
  3. Step 3: Cross multiply
    479,825.64x = 662,164.74 × 264,965.40
  4. Step 4: Simplify right side
    479,825.64x = 175,450,745,200.00
  5. Step 5: Solve for x
    x = 175,450,745,200.00/479,825.64
  6. Step 6: Final answer
    x = 365,655.21

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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.