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Finding the Fourth Proportional to 595,209.49, 821,391.43 and 323,281.91

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Solution

The fourth proportional to 595,209.49, 821,391.43 and 323,281.91 is: 446,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,209.49 : 821,391.43 = 323,281.91 : x
  2. Step 2: Convert to fraction form
    595,209.49/821,391.43 = 323,281.91/x
  3. Step 3: Cross multiply
    595,209.49x = 821,391.43 × 323,281.91
  4. Step 4: Simplify right side
    595,209.49x = 265,540,990,348.03
  5. Step 5: Solve for x
    x = 265,540,990,348.03/595,209.49
  6. Step 6: Final answer
    x = 446,130.30

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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.