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Finding the Fourth Proportional to 669,325.95, 923,664.63 and 363,396.33

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Solution

The fourth proportional to 669,325.95, 923,664.63 and 363,396.33 is: 501,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,325.95 : 923,664.63 = 363,396.33 : x
  2. Step 2: Convert to fraction form
    669,325.95/923,664.63 = 363,396.33/x
  3. Step 3: Cross multiply
    669,325.95x = 923,664.63 × 363,396.33
  4. Step 4: Simplify right side
    669,325.95x = 335,656,336,692.81
  5. Step 5: Solve for x
    x = 335,656,336,692.81/669,325.95
  6. Step 6: Final answer
    x = 501,484.12

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Double scale
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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.