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Finding the Fourth Proportional to 555,166.62, 832,389.06 and 218,240.24

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Solution

The fourth proportional to 555,166.62, 832,389.06 and 218,240.24 is: 327,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,166.62 : 832,389.06 = 218,240.24 : x
  2. Step 2: Convert to fraction form
    555,166.62/832,389.06 = 218,240.24/x
  3. Step 3: Cross multiply
    555,166.62x = 832,389.06 × 218,240.24
  4. Step 4: Simplify right side
    555,166.62x = 181,660,788,227.77
  5. Step 5: Solve for x
    x = 181,660,788,227.77/555,166.62
  6. Step 6: Final answer
    x = 327,218.50

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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.