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Finding the Fourth Proportional to 362,326.50, 543,549.15 and 149,036.59

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Solution

The fourth proportional to 362,326.50, 543,549.15 and 149,036.59 is: 223,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,326.50 : 543,549.15 = 149,036.59 : x
  2. Step 2: Convert to fraction form
    362,326.50/543,549.15 = 149,036.59/x
  3. Step 3: Cross multiply
    362,326.50x = 543,549.15 × 149,036.59
  4. Step 4: Simplify right side
    362,326.50x = 81,008,712,492.84
  5. Step 5: Solve for x
    x = 81,008,712,492.84/362,326.50
  6. Step 6: Final answer
    x = 223,579.32

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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.