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Finding the Fourth Proportional to 669,196.96, 923,493.36 and 367,410.40

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Solution

The fourth proportional to 669,196.96, 923,493.36 and 367,410.40 is: 507,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,196.96 : 923,493.36 = 367,410.40 : x
  2. Step 2: Convert to fraction form
    669,196.96/923,493.36 = 367,410.40/x
  3. Step 3: Cross multiply
    669,196.96x = 923,493.36 × 367,410.40
  4. Step 4: Simplify right side
    669,196.96x = 339,301,064,794.94
  5. Step 5: Solve for x
    x = 339,301,064,794.94/669,196.96
  6. Step 6: Final answer
    x = 507,027.21

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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.