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Finding the Fourth Proportional to 460,355.64, 635,307.94 and 253,632.43

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Solution

The fourth proportional to 460,355.64, 635,307.94 and 253,632.43 is: 350,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,355.64 : 635,307.94 = 253,632.43 : x
  2. Step 2: Convert to fraction form
    460,355.64/635,307.94 = 253,632.43/x
  3. Step 3: Cross multiply
    460,355.64x = 635,307.94 × 253,632.43
  4. Step 4: Simplify right side
    460,355.64x = 161,134,696,620.49
  5. Step 5: Solve for x
    x = 161,134,696,620.49/460,355.64
  6. Step 6: Final answer
    x = 350,022.21

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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.