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Finding the Fourth Proportional to 252,458,353.60, 378,687,530.40 and 116,409,457.60

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Solution

The fourth proportional to 252,458,353.60, 378,687,530.40 and 116,409,457.60 is: 174,614,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,458,353.60 : 378,687,530.40 = 116,409,457.60 : x
  2. Step 2: Convert to fraction form
    252,458,353.60/378,687,530.40 = 116,409,457.60/x
  3. Step 3: Cross multiply
    252,458,353.60x = 378,687,530.40 × 116,409,457.60
  4. Step 4: Simplify right side
    252,458,353.60x = 44,082,810,013,747,504
  5. Step 5: Solve for x
    x = 44,082,810,013,747,504/252,458,353.60
  6. Step 6: Final answer
    x = 174,614,186.40

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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.