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Finding the Fourth Proportional to 570,867,621.60, 800,827,101.60 and 570,867,621.60

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Solution

The fourth proportional to 570,867,621.60, 800,827,101.60 and 570,867,621.60 is: 800,827,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,867,621.60 : 800,827,101.60 = 570,867,621.60 : x
  2. Step 2: Convert to fraction form
    570,867,621.60/800,827,101.60 = 570,867,621.60/x
  3. Step 3: Cross multiply
    570,867,621.60x = 800,827,101.60 × 570,867,621.60
  4. Step 4: Simplify right side
    570,867,621.60x = 457,166,262,803,213,568
  5. Step 5: Solve for x
    x = 457,166,262,803,213,568/570,867,621.60
  6. Step 6: Final answer
    x = 800,827,101.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.