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Finding the Fourth Proportional to 469,008.80, 702,994.80 and 258,797.60

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Solution

The fourth proportional to 469,008.80, 702,994.80 and 258,797.60 is: 387,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008.80 : 702,994.80 = 258,797.60 : x
  2. Step 2: Convert to fraction form
    469,008.80/702,994.80 = 258,797.60/x
  3. Step 3: Cross multiply
    469,008.80x = 702,994.80 × 258,797.60
  4. Step 4: Simplify right side
    469,008.80x = 181,933,367,052.48
  5. Step 5: Solve for x
    x = 181,933,367,052.48/469,008.80
  6. Step 6: Final answer
    x = 387,910.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.