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Finding the Fourth Proportional to 524,700,370.60, 787,069,218.30 and 161,194,143.40

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Solution

The fourth proportional to 524,700,370.60, 787,069,218.30 and 161,194,143.40 is: 241,796,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,700,370.60 : 787,069,218.30 = 161,194,143.40 : x
  2. Step 2: Convert to fraction form
    524,700,370.60/787,069,218.30 = 161,194,143.40/x
  3. Step 3: Cross multiply
    524,700,370.60x = 787,069,218.30 × 161,194,143.40
  4. Step 4: Simplify right side
    524,700,370.60x = 126,870,948,440,376,096
  5. Step 5: Solve for x
    x = 126,870,948,440,376,096/524,700,370.60
  6. Step 6: Final answer
    x = 241,796,948.41

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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.