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Finding the Fourth Proportional to 595,020.60, 821,129.40 and 323,089.02

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Solution

The fourth proportional to 595,020.60, 821,129.40 and 323,089.02 is: 445,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,020.60 : 821,129.40 = 323,089.02 : x
  2. Step 2: Convert to fraction form
    595,020.60/821,129.40 = 323,089.02/x
  3. Step 3: Cross multiply
    595,020.60x = 821,129.40 × 323,089.02
  4. Step 4: Simplify right side
    595,020.60x = 265,297,893,139.19
  5. Step 5: Solve for x
    x = 265,297,893,139.19/595,020.60
  6. Step 6: Final answer
    x = 445,863.38

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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.