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Finding the Fourth Proportional to 389,707.07, 584,106.75 and 164,992.82

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Solution

The fourth proportional to 389,707.07, 584,106.75 and 164,992.82 is: 247,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,707.07 : 584,106.75 = 164,992.82 : x
  2. Step 2: Convert to fraction form
    389,707.07/584,106.75 = 164,992.82/x
  3. Step 3: Cross multiply
    389,707.07x = 584,106.75 × 164,992.82
  4. Step 4: Simplify right side
    389,707.07x = 96,373,416,943.00
  5. Step 5: Solve for x
    x = 96,373,416,943.00/389,707.07
  6. Step 6: Final answer
    x = 247,297.07

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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.