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Finding the Fourth Proportional to 555,824.16, 833,987.76 and 218,772

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Solution

The fourth proportional to 555,824.16, 833,987.76 and 218,772 is: 328,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,824.16 : 833,987.76 = 218,772 : x
  2. Step 2: Convert to fraction form
    555,824.16/833,987.76 = 218,772/x
  3. Step 3: Cross multiply
    555,824.16x = 833,987.76 × 218,772
  4. Step 4: Simplify right side
    555,824.16x = 182,453,170,230.72
  5. Step 5: Solve for x
    x = 182,453,170,230.72/555,824.16
  6. Step 6: Final answer
    x = 328,257.00

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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.