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Finding the Fourth Proportional to 362,854.19, 543,598.52 and 212,648.29

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Solution

The fourth proportional to 362,854.19, 543,598.52 and 212,648.29 is: 318,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,854.19 : 543,598.52 = 212,648.29 : x
  2. Step 2: Convert to fraction form
    362,854.19/543,598.52 = 212,648.29/x
  3. Step 3: Cross multiply
    362,854.19x = 543,598.52 × 212,648.29
  4. Step 4: Simplify right side
    362,854.19x = 115,595,295,724.53
  5. Step 5: Solve for x
    x = 115,595,295,724.53/362,854.19
  6. Step 6: Final answer
    x = 318,572.31

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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.