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Finding the Fourth Proportional to 525,614.01, 788,604 and 165,840.42

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Solution

The fourth proportional to 525,614.01, 788,604 and 165,840.42 is: 248,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,614.01 : 788,604 = 165,840.42 : x
  2. Step 2: Convert to fraction form
    525,614.01/788,604 = 165,840.42/x
  3. Step 3: Cross multiply
    525,614.01x = 788,604 × 165,840.42
  4. Step 4: Simplify right side
    525,614.01x = 130,782,418,573.68
  5. Step 5: Solve for x
    x = 130,782,418,573.68/525,614.01
  6. Step 6: Final answer
    x = 248,818.36

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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.