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Finding the Fourth Proportional to 252,736,305.60, 379,104,458.40 and 165,060,350.40

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Solution

The fourth proportional to 252,736,305.60, 379,104,458.40 and 165,060,350.40 is: 247,590,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,736,305.60 : 379,104,458.40 = 165,060,350.40 : x
  2. Step 2: Convert to fraction form
    252,736,305.60/379,104,458.40 = 165,060,350.40/x
  3. Step 3: Cross multiply
    252,736,305.60x = 379,104,458.40 × 165,060,350.40
  4. Step 4: Simplify right side
    252,736,305.60x = 62,575,114,741,706,224
  5. Step 5: Solve for x
    x = 62,575,114,741,706,224/252,736,305.60
  6. Step 6: Final answer
    x = 247,590,525.60

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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.