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Finding the Fourth Proportional to 544,646.70, 751,559.76 and 315,158.22

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Solution

The fourth proportional to 544,646.70, 751,559.76 and 315,158.22 is: 434,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,646.70 : 751,559.76 = 315,158.22 : x
  2. Step 2: Convert to fraction form
    544,646.70/751,559.76 = 315,158.22/x
  3. Step 3: Cross multiply
    544,646.70x = 751,559.76 × 315,158.22
  4. Step 4: Simplify right side
    544,646.70x = 236,860,236,185.23
  5. Step 5: Solve for x
    x = 236,860,236,185.23/544,646.70
  6. Step 6: Final answer
    x = 434,887.86

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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.