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Finding the Fourth Proportional to 669,465.36, 923,883.48 and 367,659.36

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Solution

The fourth proportional to 669,465.36, 923,883.48 and 367,659.36 is: 507,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,465.36 : 923,883.48 = 367,659.36 : x
  2. Step 2: Convert to fraction form
    669,465.36/923,883.48 = 367,659.36/x
  3. Step 3: Cross multiply
    669,465.36x = 923,883.48 × 367,659.36
  4. Step 4: Simplify right side
    669,465.36x = 339,674,408,971.37
  5. Step 5: Solve for x
    x = 339,674,408,971.37/669,465.36
  6. Step 6: Final answer
    x = 507,381.61

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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.