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Finding the Fourth Proportional to 324,987.84, 487,481.04 and 88,364.88

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Solution

The fourth proportional to 324,987.84, 487,481.04 and 88,364.88 is: 132,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,987.84 : 487,481.04 = 88,364.88 : x
  2. Step 2: Convert to fraction form
    324,987.84/487,481.04 = 88,364.88/x
  3. Step 3: Cross multiply
    324,987.84x = 487,481.04 × 88,364.88
  4. Step 4: Simplify right side
    324,987.84x = 43,076,203,601.88
  5. Step 5: Solve for x
    x = 43,076,203,601.88/324,987.84
  6. Step 6: Final answer
    x = 132,547.12

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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.