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Finding the Fourth Proportional to 669,328.92, 923,673.82 and 367,522.92

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Solution

The fourth proportional to 669,328.92, 923,673.82 and 367,522.92 is: 507,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,328.92 : 923,673.82 = 367,522.92 : x
  2. Step 2: Convert to fraction form
    669,328.92/923,673.82 = 367,522.92/x
  3. Step 3: Cross multiply
    669,328.92x = 923,673.82 × 367,522.92
  4. Step 4: Simplify right side
    669,328.92x = 339,471,299,453.95
  5. Step 5: Solve for x
    x = 339,471,299,453.95/669,328.92
  6. Step 6: Final answer
    x = 507,181.58

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Half scale
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Double scale
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Similar ratio
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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.