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Finding the Fourth Proportional to 667,334.16, 920,944.08 and 365,528.16

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Solution

The fourth proportional to 667,334.16, 920,944.08 and 365,528.16 is: 504,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,334.16 : 920,944.08 = 365,528.16 : x
  2. Step 2: Convert to fraction form
    667,334.16/920,944.08 = 365,528.16/x
  3. Step 3: Cross multiply
    667,334.16x = 920,944.08 × 365,528.16
  4. Step 4: Simplify right side
    667,334.16x = 336,630,995,025.29
  5. Step 5: Solve for x
    x = 336,630,995,025.29/667,334.16
  6. Step 6: Final answer
    x = 504,441.43

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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.