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Finding the Fourth Proportional to 468,544.32, 646,585.20 and 253,679.52

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Solution

The fourth proportional to 468,544.32, 646,585.20 and 253,679.52 is: 350,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,544.32 : 646,585.20 = 253,679.52 : x
  2. Step 2: Convert to fraction form
    468,544.32/646,585.20 = 253,679.52/x
  3. Step 3: Cross multiply
    468,544.32x = 646,585.20 × 253,679.52
  4. Step 4: Simplify right side
    468,544.32x = 164,025,423,175.10
  5. Step 5: Solve for x
    x = 164,025,423,175.10/468,544.32
  6. Step 6: Final answer
    x = 350,074.51

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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.