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Finding the Fourth Proportional to 362,510.40, 543,247.20 and 251,572.80

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Solution

The fourth proportional to 362,510.40, 543,247.20 and 251,572.80 is: 376,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,510.40 : 543,247.20 = 251,572.80 : x
  2. Step 2: Convert to fraction form
    362,510.40/543,247.20 = 251,572.80/x
  3. Step 3: Cross multiply
    362,510.40x = 543,247.20 × 251,572.80
  4. Step 4: Simplify right side
    362,510.40x = 136,666,219,196.16
  5. Step 5: Solve for x
    x = 136,666,219,196.16/362,510.40
  6. Step 6: Final answer
    x = 376,999.44

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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.