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Finding the Fourth Proportional to 545,046.93, 817,701.26 and 171,069.93

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Solution

The fourth proportional to 545,046.93, 817,701.26 and 171,069.93 is: 256,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,046.93 : 817,701.26 = 171,069.93 : x
  2. Step 2: Convert to fraction form
    545,046.93/817,701.26 = 171,069.93/x
  3. Step 3: Cross multiply
    545,046.93x = 817,701.26 × 171,069.93
  4. Step 4: Simplify right side
    545,046.93x = 139,884,096,453.76
  5. Step 5: Solve for x
    x = 139,884,096,453.76/545,046.93
  6. Step 6: Final answer
    x = 256,645.97

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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.