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Finding the Fourth Proportional to 469,862.30, 648,410.30 and 255,002.36

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Solution

The fourth proportional to 469,862.30, 648,410.30 and 255,002.36 is: 351,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,862.30 : 648,410.30 = 255,002.36 : x
  2. Step 2: Convert to fraction form
    469,862.30/648,410.30 = 255,002.36/x
  3. Step 3: Cross multiply
    469,862.30x = 648,410.30 × 255,002.36
  4. Step 4: Simplify right side
    469,862.30x = 165,346,152,231.25
  5. Step 5: Solve for x
    x = 165,346,152,231.25/469,862.30
  6. Step 6: Final answer
    x = 351,903.43

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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.