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Finding the Fourth Proportional to 595,383.30, 821,610 and 340,729.02

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Solution

The fourth proportional to 595,383.30, 821,610 and 340,729.02 is: 470,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,383.30 : 821,610 = 340,729.02 : x
  2. Step 2: Convert to fraction form
    595,383.30/821,610 = 340,729.02/x
  3. Step 3: Cross multiply
    595,383.30x = 821,610 × 340,729.02
  4. Step 4: Simplify right side
    595,383.30x = 279,946,370,122.20
  5. Step 5: Solve for x
    x = 279,946,370,122.20/595,383.30
  6. Step 6: Final answer
    x = 470,195.20

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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.