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Finding the Fourth Proportional to 358,370.49, 537,555.08 and 245,709.15

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Solution

The fourth proportional to 358,370.49, 537,555.08 and 245,709.15 is: 368,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,370.49 : 537,555.08 = 245,709.15 : x
  2. Step 2: Convert to fraction form
    358,370.49/537,555.08 = 245,709.15/x
  3. Step 3: Cross multiply
    358,370.49x = 537,555.08 × 245,709.15
  4. Step 4: Simplify right side
    358,370.49x = 132,082,204,919.04
  5. Step 5: Solve for x
    x = 132,082,204,919.04/358,370.49
  6. Step 6: Final answer
    x = 368,563.29

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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.