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Finding the Fourth Proportional to 380,228.48, 570,182.08 and 114,026.88

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Solution

The fourth proportional to 380,228.48, 570,182.08 and 114,026.88 is: 170,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,228.48 : 570,182.08 = 114,026.88 : x
  2. Step 2: Convert to fraction form
    380,228.48/570,182.08 = 114,026.88/x
  3. Step 3: Cross multiply
    380,228.48x = 570,182.08 × 114,026.88
  4. Step 4: Simplify right side
    380,228.48x = 65,016,083,614.31
  5. Step 5: Solve for x
    x = 65,016,083,614.31/380,228.48
  6. Step 6: Final answer
    x = 170,992.15

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1.5x scale

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.