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Finding the Fourth Proportional to 471,158.26, 706,587.63 and 155,556.34

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Solution

The fourth proportional to 471,158.26, 706,587.63 and 155,556.34 is: 233,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,158.26 : 706,587.63 = 155,556.34 : x
  2. Step 2: Convert to fraction form
    471,158.26/706,587.63 = 155,556.34/x
  3. Step 3: Cross multiply
    471,158.26x = 706,587.63 × 155,556.34
  4. Step 4: Simplify right side
    471,158.26x = 109,914,185,612.07
  5. Step 5: Solve for x
    x = 109,914,185,612.07/471,158.26
  6. Step 6: Final answer
    x = 233,285.07

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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.