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Finding the Fourth Proportional to 362,459.70, 543,762.45 and 303,702.30

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Solution

The fourth proportional to 362,459.70, 543,762.45 and 303,702.30 is: 455,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,459.70 : 543,762.45 = 303,702.30 : x
  2. Step 2: Convert to fraction form
    362,459.70/543,762.45 = 303,702.30/x
  3. Step 3: Cross multiply
    362,459.70x = 543,762.45 × 303,702.30
  4. Step 4: Simplify right side
    362,459.70x = 165,141,906,718.64
  5. Step 5: Solve for x
    x = 165,141,906,718.64/362,459.70
  6. Step 6: Final answer
    x = 455,614.53

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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.