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Finding the Fourth Proportional to 358,044.93, 537,067.40 and 170,487.81

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Solution

The fourth proportional to 358,044.93, 537,067.40 and 170,487.81 is: 255,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,044.93 : 537,067.40 = 170,487.81 : x
  2. Step 2: Convert to fraction form
    358,044.93/537,067.40 = 170,487.81/x
  3. Step 3: Cross multiply
    358,044.93x = 537,067.40 × 170,487.81
  4. Step 4: Simplify right side
    358,044.93x = 91,563,443,995.96
  5. Step 5: Solve for x
    x = 91,563,443,995.96/358,044.93
  6. Step 6: Final answer
    x = 255,731.72

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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.