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Finding the Fourth Proportional to 265,715,569.80, 398,573,354.70 and 223,389,246.60

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Solution

The fourth proportional to 265,715,569.80, 398,573,354.70 and 223,389,246.60 is: 335,083,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715,569.80 : 398,573,354.70 = 223,389,246.60 : x
  2. Step 2: Convert to fraction form
    265,715,569.80/398,573,354.70 = 223,389,246.60/x
  3. Step 3: Cross multiply
    265,715,569.80x = 398,573,354.70 × 223,389,246.60
  4. Step 4: Simplify right side
    265,715,569.80x = 89,037,001,421,267,568
  5. Step 5: Solve for x
    x = 89,037,001,421,267,568/265,715,569.80
  6. Step 6: Final answer
    x = 335,083,869.90

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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.