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Finding the Fourth Proportional to 617,509.68, 926,134.92 and 174,174

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Solution

The fourth proportional to 617,509.68, 926,134.92 and 174,174 is: 261,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,509.68 : 926,134.92 = 174,174 : x
  2. Step 2: Convert to fraction form
    617,509.68/926,134.92 = 174,174/x
  3. Step 3: Cross multiply
    617,509.68x = 926,134.92 × 174,174
  4. Step 4: Simplify right side
    617,509.68x = 161,308,623,556.08
  5. Step 5: Solve for x
    x = 161,308,623,556.08/617,509.68
  6. Step 6: Final answer
    x = 261,224.45

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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.