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Finding the Fourth Proportional to 536,652,055.20, 804,978,082.80 and 173,146,411.20

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Solution

The fourth proportional to 536,652,055.20, 804,978,082.80 and 173,146,411.20 is: 259,719,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,652,055.20 : 804,978,082.80 = 173,146,411.20 : x
  2. Step 2: Convert to fraction form
    536,652,055.20/804,978,082.80 = 173,146,411.20/x
  3. Step 3: Cross multiply
    536,652,055.20x = 804,978,082.80 × 173,146,411.20
  4. Step 4: Simplify right side
    536,652,055.20x = 139,379,066,131,476,432
  5. Step 5: Solve for x
    x = 139,379,066,131,476,432/536,652,055.20
  6. Step 6: Final answer
    x = 259,719,616.80

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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.