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Finding the Fourth Proportional to 318,029.32, 477,066.06 and 107,596.12

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Solution

The fourth proportional to 318,029.32, 477,066.06 and 107,596.12 is: 161,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,029.32 : 477,066.06 = 107,596.12 : x
  2. Step 2: Convert to fraction form
    318,029.32/477,066.06 = 107,596.12/x
  3. Step 3: Cross multiply
    318,029.32x = 477,066.06 × 107,596.12
  4. Step 4: Simplify right side
    318,029.32x = 51,330,457,039.69
  5. Step 5: Solve for x
    x = 51,330,457,039.69/318,029.32
  6. Step 6: Final answer
    x = 161,401.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.