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Finding the Fourth Proportional to 358,689.35, 537,443.49 and 250,629.68

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Solution

The fourth proportional to 358,689.35, 537,443.49 and 250,629.68 is: 375,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,689.35 : 537,443.49 = 250,629.68 : x
  2. Step 2: Convert to fraction form
    358,689.35/537,443.49 = 250,629.68/x
  3. Step 3: Cross multiply
    358,689.35x = 537,443.49 × 250,629.68
  4. Step 4: Simplify right side
    358,689.35x = 134,699,289,916.78
  5. Step 5: Solve for x
    x = 134,699,289,916.78/358,689.35
  6. Step 6: Final answer
    x = 375,531.89

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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.