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Finding the Fourth Proportional to 669,396.50, 923,773.65 and 367,596.98

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Solution

The fourth proportional to 669,396.50, 923,773.65 and 367,596.98 is: 507,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,396.50 : 923,773.65 = 367,596.98 : x
  2. Step 2: Convert to fraction form
    669,396.50/923,773.65 = 367,596.98/x
  3. Step 3: Cross multiply
    669,396.50x = 923,773.65 × 367,596.98
  4. Step 4: Simplify right side
    669,396.50x = 339,576,403,943.58
  5. Step 5: Solve for x
    x = 339,576,403,943.58/669,396.50
  6. Step 6: Final answer
    x = 507,287.39

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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.