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Finding the Fourth Proportional to 263,949,728.40, 370,294,894.80 and 263,949,728.40

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Solution

The fourth proportional to 263,949,728.40, 370,294,894.80 and 263,949,728.40 is: 370,294,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,949,728.40 : 370,294,894.80 = 263,949,728.40 : x
  2. Step 2: Convert to fraction form
    263,949,728.40/370,294,894.80 = 263,949,728.40/x
  3. Step 3: Cross multiply
    263,949,728.40x = 370,294,894.80 × 263,949,728.40
  4. Step 4: Simplify right side
    263,949,728.40x = 97,739,236,910,366,576
  5. Step 5: Solve for x
    x = 97,739,236,910,366,576/263,949,728.40
  6. Step 6: Final answer
    x = 370,294,894.80

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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.