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Finding the Fourth Proportional to 368,543, 552,817.64 and 102,324.28

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Solution

The fourth proportional to 368,543, 552,817.64 and 102,324.28 is: 153,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,543 : 552,817.64 = 102,324.28 : x
  2. Step 2: Convert to fraction form
    368,543/552,817.64 = 102,324.28/x
  3. Step 3: Cross multiply
    368,543x = 552,817.64 × 102,324.28
  4. Step 4: Simplify right side
    368,543x = 56,566,666,984.30
  5. Step 5: Solve for x
    x = 56,566,666,984.30/368,543
  6. Step 6: Final answer
    x = 153,487.29

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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.