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Finding the Fourth Proportional to 655,441.47, 983,215.59 and 182,126.88

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Solution

The fourth proportional to 655,441.47, 983,215.59 and 182,126.88 is: 273,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,441.47 : 983,215.59 = 182,126.88 : x
  2. Step 2: Convert to fraction form
    655,441.47/983,215.59 = 182,126.88/x
  3. Step 3: Cross multiply
    655,441.47x = 983,215.59 × 182,126.88
  4. Step 4: Simplify right side
    655,441.47x = 179,069,987,774.06
  5. Step 5: Solve for x
    x = 179,069,987,774.06/655,441.47
  6. Step 6: Final answer
    x = 273,205.15

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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.