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Finding the Fourth Proportional to 275,901.72, 380,746.86 and 167,008.56

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Solution

The fourth proportional to 275,901.72, 380,746.86 and 167,008.56 is: 230,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,901.72 : 380,746.86 = 167,008.56 : x
  2. Step 2: Convert to fraction form
    275,901.72/380,746.86 = 167,008.56/x
  3. Step 3: Cross multiply
    275,901.72x = 380,746.86 × 167,008.56
  4. Step 4: Simplify right side
    275,901.72x = 63,587,984,813.12
  5. Step 5: Solve for x
    x = 63,587,984,813.12/275,901.72
  6. Step 6: Final answer
    x = 230,473.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.