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Finding the Fourth Proportional to 669,466.86, 923,885.55 and 367,660.86

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Solution

The fourth proportional to 669,466.86, 923,885.55 and 367,660.86 is: 507,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,466.86 : 923,885.55 = 367,660.86 : x
  2. Step 2: Convert to fraction form
    669,466.86/923,885.55 = 367,660.86/x
  3. Step 3: Cross multiply
    669,466.86x = 923,885.55 × 367,660.86
  4. Step 4: Simplify right side
    669,466.86x = 339,676,555,854.57
  5. Step 5: Solve for x
    x = 339,676,555,854.57/669,466.86
  6. Step 6: Final answer
    x = 507,383.68

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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.