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Finding the Fourth Proportional to 530,399.64, 795,599.48 and 436,708.56

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Solution

The fourth proportional to 530,399.64, 795,599.48 and 436,708.56 is: 655,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,399.64 : 795,599.48 = 436,708.56 : x
  2. Step 2: Convert to fraction form
    530,399.64/795,599.48 = 436,708.56/x
  3. Step 3: Cross multiply
    530,399.64x = 795,599.48 × 436,708.56
  4. Step 4: Simplify right side
    530,399.64x = 347,445,103,247.55
  5. Step 5: Solve for x
    x = 347,445,103,247.55/530,399.64
  6. Step 6: Final answer
    x = 655,062.86

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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.