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Finding the Fourth Proportional to 595,051.70, 821,168.31 and 323,117.21

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Solution

The fourth proportional to 595,051.70, 821,168.31 and 323,117.21 is: 445,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,051.70 : 821,168.31 = 323,117.21 : x
  2. Step 2: Convert to fraction form
    595,051.70/821,168.31 = 323,117.21/x
  3. Step 3: Cross multiply
    595,051.70x = 821,168.31 × 323,117.21
  4. Step 4: Simplify right side
    595,051.70x = 265,333,613,267.62
  5. Step 5: Solve for x
    x = 265,333,613,267.62/595,051.70
  6. Step 6: Final answer
    x = 445,900.10

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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.