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Finding the Fourth Proportional to 595,391.16, 821,636.40 and 323,456.88

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Solution

The fourth proportional to 595,391.16, 821,636.40 and 323,456.88 is: 446,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,391.16 : 821,636.40 = 323,456.88 : x
  2. Step 2: Convert to fraction form
    595,391.16/821,636.40 = 323,456.88/x
  3. Step 3: Cross multiply
    595,391.16x = 821,636.40 × 323,456.88
  4. Step 4: Simplify right side
    595,391.16x = 265,763,946,438.43
  5. Step 5: Solve for x
    x = 265,763,946,438.43/595,391.16
  6. Step 6: Final answer
    x = 446,368.65

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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.