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Finding the Fourth Proportional to 595,383.35, 821,644.76 and 340,816.55

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Solution

The fourth proportional to 595,383.35, 821,644.76 and 340,816.55 is: 470,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,383.35 : 821,644.76 = 340,816.55 : x
  2. Step 2: Convert to fraction form
    595,383.35/821,644.76 = 340,816.55/x
  3. Step 3: Cross multiply
    595,383.35x = 821,644.76 × 340,816.55
  4. Step 4: Simplify right side
    595,383.35x = 280,030,129,172.60
  5. Step 5: Solve for x
    x = 280,030,129,172.60/595,383.35
  6. Step 6: Final answer
    x = 470,335.85

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1.5x scale

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.