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Finding the Fourth Proportional to 358,453.65, 537,348.15 and 158,667.54

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Solution

The fourth proportional to 358,453.65, 537,348.15 and 158,667.54 is: 237,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,453.65 : 537,348.15 = 158,667.54 : x
  2. Step 2: Convert to fraction form
    358,453.65/537,348.15 = 158,667.54/x
  3. Step 3: Cross multiply
    358,453.65x = 537,348.15 × 158,667.54
  4. Step 4: Simplify right side
    358,453.65x = 85,259,709,084.05
  5. Step 5: Solve for x
    x = 85,259,709,084.05/358,453.65
  6. Step 6: Final answer
    x = 237,854.21

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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.