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Finding the Fourth Proportional to 263,017,276.80, 369,030,403.20 and 263,017,276.80

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Solution

The fourth proportional to 263,017,276.80, 369,030,403.20 and 263,017,276.80 is: 369,030,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,017,276.80 : 369,030,403.20 = 263,017,276.80 : x
  2. Step 2: Convert to fraction form
    263,017,276.80/369,030,403.20 = 263,017,276.80/x
  3. Step 3: Cross multiply
    263,017,276.80x = 369,030,403.20 × 263,017,276.80
  4. Step 4: Simplify right side
    263,017,276.80x = 97,061,371,706,070,000
  5. Step 5: Solve for x
    x = 97,061,371,706,070,000/263,017,276.80
  6. Step 6: Final answer
    x = 369,030,403.20

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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.