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Finding the Fourth Proportional to 493,748.07, 740,836.03 and 174,128.33

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Solution

The fourth proportional to 493,748.07, 740,836.03 and 174,128.33 is: 261,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,748.07 : 740,836.03 = 174,128.33 : x
  2. Step 2: Convert to fraction form
    493,748.07/740,836.03 = 174,128.33/x
  3. Step 3: Cross multiply
    493,748.07x = 740,836.03 × 174,128.33
  4. Step 4: Simplify right side
    493,748.07x = 129,000,539,837.09
  5. Step 5: Solve for x
    x = 129,000,539,837.09/493,748.07
  6. Step 6: Final answer
    x = 261,267.94

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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.