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Finding the Fourth Proportional to 262,880,598.56, 362,750,880.48 and 145,403,400.48

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Solution

The fourth proportional to 262,880,598.56, 362,750,880.48 and 145,403,400.48 is: 200,643,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,880,598.56 : 362,750,880.48 = 145,403,400.48 : x
  2. Step 2: Convert to fraction form
    262,880,598.56/362,750,880.48 = 145,403,400.48/x
  3. Step 3: Cross multiply
    262,880,598.56x = 362,750,880.48 × 145,403,400.48
  4. Step 4: Simplify right side
    262,880,598.56x = 52,745,211,548,906,056
  5. Step 5: Solve for x
    x = 52,745,211,548,906,056/262,880,598.56
  6. Step 6: Final answer
    x = 200,643,226.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.