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Finding the Fourth Proportional to 544,710.72, 817,071.68 and 165,693.12

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Solution

The fourth proportional to 544,710.72, 817,071.68 and 165,693.12 is: 248,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,710.72 : 817,071.68 = 165,693.12 : x
  2. Step 2: Convert to fraction form
    544,710.72/817,071.68 = 165,693.12/x
  3. Step 3: Cross multiply
    544,710.72x = 817,071.68 × 165,693.12
  4. Step 4: Simplify right side
    544,710.72x = 135,383,155,922.84
  5. Step 5: Solve for x
    x = 135,383,155,922.84/544,710.72
  6. Step 6: Final answer
    x = 248,541.38

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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.