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Finding the Fourth Proportional to 703,505.10, 1,055,250 and 171,026.69

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Solution

The fourth proportional to 703,505.10, 1,055,250 and 171,026.69 is: 256,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,505.10 : 1,055,250 = 171,026.69 : x
  2. Step 2: Convert to fraction form
    703,505.10/1,055,250 = 171,026.69/x
  3. Step 3: Cross multiply
    703,505.10x = 1,055,250 × 171,026.69
  4. Step 4: Simplify right side
    703,505.10x = 180,475,909,346.25
  5. Step 5: Solve for x
    x = 180,475,909,346.25/703,505.10
  6. Step 6: Final answer
    x = 256,538.17

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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.