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Finding the Fourth Proportional to 544,713.88, 751,652.36 and 315,225.58

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Solution

The fourth proportional to 544,713.88, 751,652.36 and 315,225.58 is: 434,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,713.88 : 751,652.36 = 315,225.58 : x
  2. Step 2: Convert to fraction form
    544,713.88/751,652.36 = 315,225.58/x
  3. Step 3: Cross multiply
    544,713.88x = 751,652.36 × 315,225.58
  4. Step 4: Simplify right side
    544,713.88x = 236,940,051,139.37
  5. Step 5: Solve for x
    x = 236,940,051,139.37/544,713.88
  6. Step 6: Final answer
    x = 434,980.75

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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.