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Finding the Fourth Proportional to 327,008.64, 451,312 and 183,774.72

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Solution

The fourth proportional to 327,008.64, 451,312 and 183,774.72 is: 253,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,008.64 : 451,312 = 183,774.72 : x
  2. Step 2: Convert to fraction form
    327,008.64/451,312 = 183,774.72/x
  3. Step 3: Cross multiply
    327,008.64x = 451,312 × 183,774.72
  4. Step 4: Simplify right side
    327,008.64x = 82,939,736,432.64
  5. Step 5: Solve for x
    x = 82,939,736,432.64/327,008.64
  6. Step 6: Final answer
    x = 253,631.64

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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.