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Finding the Fourth Proportional to 253,718,216.60, 354,440,228.20 and 253,718,216.60

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Solution

The fourth proportional to 253,718,216.60, 354,440,228.20 and 253,718,216.60 is: 354,440,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,718,216.60 : 354,440,228.20 = 253,718,216.60 : x
  2. Step 2: Convert to fraction form
    253,718,216.60/354,440,228.20 = 253,718,216.60/x
  3. Step 3: Cross multiply
    253,718,216.60x = 354,440,228.20 × 253,718,216.60
  4. Step 4: Simplify right side
    253,718,216.60x = 89,927,942,590,201,024
  5. Step 5: Solve for x
    x = 89,927,942,590,201,024/253,718,216.60
  6. Step 6: Final answer
    x = 354,440,228.20

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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.