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Finding the Fourth Proportional to 555,617.73, 833,570.42 and 171,358.11

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Solution

The fourth proportional to 555,617.73, 833,570.42 and 171,358.11 is: 257,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,617.73 : 833,570.42 = 171,358.11 : x
  2. Step 2: Convert to fraction form
    555,617.73/833,570.42 = 171,358.11/x
  3. Step 3: Cross multiply
    555,617.73x = 833,570.42 × 171,358.11
  4. Step 4: Simplify right side
    555,617.73x = 142,839,050,866.32
  5. Step 5: Solve for x
    x = 142,839,050,866.32/555,617.73
  6. Step 6: Final answer
    x = 257,081.52

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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.