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Finding the Fourth Proportional to 358,689.36, 537,443.48 and 250,629.68

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Solution

The fourth proportional to 358,689.36, 537,443.48 and 250,629.68 is: 375,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,689.36 : 537,443.48 = 250,629.68 : x
  2. Step 2: Convert to fraction form
    358,689.36/537,443.48 = 250,629.68/x
  3. Step 3: Cross multiply
    358,689.36x = 537,443.48 × 250,629.68
  4. Step 4: Simplify right side
    358,689.36x = 134,699,287,410.49
  5. Step 5: Solve for x
    x = 134,699,287,410.49/358,689.36
  6. Step 6: Final answer
    x = 375,531.87

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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.