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Finding the Fourth Proportional to 358,866.79, 537,792.39 and 199,013.04

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Solution

The fourth proportional to 358,866.79, 537,792.39 and 199,013.04 is: 298,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,866.79 : 537,792.39 = 199,013.04 : x
  2. Step 2: Convert to fraction form
    358,866.79/537,792.39 = 199,013.04/x
  3. Step 3: Cross multiply
    358,866.79x = 537,792.39 × 199,013.04
  4. Step 4: Simplify right side
    358,866.79x = 107,027,698,422.77
  5. Step 5: Solve for x
    x = 107,027,698,422.77/358,866.79
  6. Step 6: Final answer
    x = 298,237.96

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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.