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Finding the Fourth Proportional to 324,671.63, 487,015.97 and 153,853.29

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Solution

The fourth proportional to 324,671.63, 487,015.97 and 153,853.29 is: 230,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,671.63 : 487,015.97 = 153,853.29 : x
  2. Step 2: Convert to fraction form
    324,671.63/487,015.97 = 153,853.29/x
  3. Step 3: Cross multiply
    324,671.63x = 487,015.97 × 153,853.29
  4. Step 4: Simplify right side
    324,671.63x = 74,929,008,497.77
  5. Step 5: Solve for x
    x = 74,929,008,497.77/324,671.63
  6. Step 6: Final answer
    x = 230,783.98

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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.