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Finding the Fourth Proportional to 485,994.89, 669,909.23 and 332,768.10

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Solution

The fourth proportional to 485,994.89, 669,909.23 and 332,768.10 is: 458,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,994.89 : 669,909.23 = 332,768.10 : x
  2. Step 2: Convert to fraction form
    485,994.89/669,909.23 = 332,768.10/x
  3. Step 3: Cross multiply
    485,994.89x = 669,909.23 × 332,768.10
  4. Step 4: Simplify right side
    485,994.89x = 222,924,421,839.34
  5. Step 5: Solve for x
    x = 222,924,421,839.34/485,994.89
  6. Step 6: Final answer
    x = 458,697.05

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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.