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Finding the Fourth Proportional to 468,263, 646,202.92 and 253,403.04

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Solution

The fourth proportional to 468,263, 646,202.92 and 253,403.04 is: 349,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,263 : 646,202.92 = 253,403.04 : x
  2. Step 2: Convert to fraction form
    468,263/646,202.92 = 253,403.04/x
  3. Step 3: Cross multiply
    468,263x = 646,202.92 × 253,403.04
  4. Step 4: Simplify right side
    468,263x = 163,749,784,384.88
  5. Step 5: Solve for x
    x = 163,749,784,384.88/468,263
  6. Step 6: Final answer
    x = 349,696.18

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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.