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Finding the Fourth Proportional to 443,148.64, 611,589.36 and 264,300.64

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Solution

The fourth proportional to 443,148.64, 611,589.36 and 264,300.64 is: 364,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,148.64 : 611,589.36 = 264,300.64 : x
  2. Step 2: Convert to fraction form
    443,148.64/611,589.36 = 264,300.64/x
  3. Step 3: Cross multiply
    443,148.64x = 611,589.36 × 264,300.64
  4. Step 4: Simplify right side
    443,148.64x = 161,643,459,265.19
  5. Step 5: Solve for x
    x = 161,643,459,265.19/443,148.64
  6. Step 6: Final answer
    x = 364,761.27

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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.