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Finding the Fourth Proportional to 355,632,250.40, 498,960,104.80 and 355,632,250.40

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Solution

The fourth proportional to 355,632,250.40, 498,960,104.80 and 355,632,250.40 is: 498,960,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,632,250.40 : 498,960,104.80 = 355,632,250.40 : x
  2. Step 2: Convert to fraction form
    355,632,250.40/498,960,104.80 = 355,632,250.40/x
  3. Step 3: Cross multiply
    355,632,250.40x = 498,960,104.80 × 355,632,250.40
  4. Step 4: Simplify right side
    355,632,250.40x = 177,446,304,929,843,840
  5. Step 5: Solve for x
    x = 177,446,304,929,843,840/355,632,250.40
  6. Step 6: Final answer
    x = 498,960,104.80

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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.