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Finding the Fourth Proportional to 453,089.25, 625,263.89 and 251,885.25

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Solution

The fourth proportional to 453,089.25, 625,263.89 and 251,885.25 is: 347,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,089.25 : 625,263.89 = 251,885.25 : x
  2. Step 2: Convert to fraction form
    453,089.25/625,263.89 = 251,885.25/x
  3. Step 3: Cross multiply
    453,089.25x = 625,263.89 × 251,885.25
  4. Step 4: Simplify right side
    453,089.25x = 157,494,749,989.20
  5. Step 5: Solve for x
    x = 157,494,749,989.20/453,089.25
  6. Step 6: Final answer
    x = 347,602.05

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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.