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Finding the Fourth Proportional to 362,486.70, 543,802.95 and 303,729.30

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Solution

The fourth proportional to 362,486.70, 543,802.95 and 303,729.30 is: 455,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,486.70 : 543,802.95 = 303,729.30 : x
  2. Step 2: Convert to fraction form
    362,486.70/543,802.95 = 303,729.30/x
  3. Step 3: Cross multiply
    362,486.70x = 543,802.95 × 303,729.30
  4. Step 4: Simplify right side
    362,486.70x = 165,168,889,341.44
  5. Step 5: Solve for x
    x = 165,168,889,341.44/362,486.70
  6. Step 6: Final answer
    x = 455,655.03

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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.