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Finding the Fourth Proportional to 271,809,621.60, 407,714,432.40 and 169,888,034.40

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Solution

The fourth proportional to 271,809,621.60, 407,714,432.40 and 169,888,034.40 is: 254,832,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,809,621.60 : 407,714,432.40 = 169,888,034.40 : x
  2. Step 2: Convert to fraction form
    271,809,621.60/407,714,432.40 = 169,888,034.40/x
  3. Step 3: Cross multiply
    271,809,621.60x = 407,714,432.40 × 169,888,034.40
  4. Step 4: Simplify right side
    271,809,621.60x = 69,265,803,516,947,672
  5. Step 5: Solve for x
    x = 69,265,803,516,947,672/271,809,621.60
  6. Step 6: Final answer
    x = 254,832,051.60

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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.