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Finding the Fourth Proportional to 552,568.64, 762,482.88 and 310,846.19

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Solution

The fourth proportional to 552,568.64, 762,482.88 and 310,846.19 is: 428,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,568.64 : 762,482.88 = 310,846.19 : x
  2. Step 2: Convert to fraction form
    552,568.64/762,482.88 = 310,846.19/x
  3. Step 3: Cross multiply
    552,568.64x = 762,482.88 × 310,846.19
  4. Step 4: Simplify right side
    552,568.64x = 237,014,894,375.81
  5. Step 5: Solve for x
    x = 237,014,894,375.81/552,568.64
  6. Step 6: Final answer
    x = 428,932.95

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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.