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Finding the Fourth Proportional to 526,602.33, 789,752.70 and 171,647.37

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Solution

The fourth proportional to 526,602.33, 789,752.70 and 171,647.37 is: 257,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,602.33 : 789,752.70 = 171,647.37 : x
  2. Step 2: Convert to fraction form
    526,602.33/789,752.70 = 171,647.37/x
  3. Step 3: Cross multiply
    526,602.33x = 789,752.70 × 171,647.37
  4. Step 4: Simplify right side
    526,602.33x = 135,558,973,905.40
  5. Step 5: Solve for x
    x = 135,558,973,905.40/526,602.33
  6. Step 6: Final answer
    x = 257,421.90

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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.