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Finding the Fourth Proportional to 362,290.84, 543,435.90 and 237,602.68

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Solution

The fourth proportional to 362,290.84, 543,435.90 and 237,602.68 is: 356,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,290.84 : 543,435.90 = 237,602.68 : x
  2. Step 2: Convert to fraction form
    362,290.84/543,435.90 = 237,602.68/x
  3. Step 3: Cross multiply
    362,290.84x = 543,435.90 × 237,602.68
  4. Step 4: Simplify right side
    362,290.84x = 129,121,826,248.21
  5. Step 5: Solve for x
    x = 129,121,826,248.21/362,290.84
  6. Step 6: Final answer
    x = 356,403.78

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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.