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Finding the Fourth Proportional to 469,657.30, 648,128.33 and 254,797.37

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Solution

The fourth proportional to 469,657.30, 648,128.33 and 254,797.37 is: 351,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,657.30 : 648,128.33 = 254,797.37 : x
  2. Step 2: Convert to fraction form
    469,657.30/648,128.33 = 254,797.37/x
  3. Step 3: Cross multiply
    469,657.30x = 648,128.33 × 254,797.37
  4. Step 4: Simplify right side
    469,657.30x = 165,141,390,320.10
  5. Step 5: Solve for x
    x = 165,141,390,320.10/469,657.30
  6. Step 6: Final answer
    x = 351,621.04

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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.