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Finding the Fourth Proportional to 350,655,087.20, 525,982,630.80 and 146,329,800.80

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Solution

The fourth proportional to 350,655,087.20, 525,982,630.80 and 146,329,800.80 is: 219,494,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,655,087.20 : 525,982,630.80 = 146,329,800.80 : x
  2. Step 2: Convert to fraction form
    350,655,087.20/525,982,630.80 = 146,329,800.80/x
  3. Step 3: Cross multiply
    350,655,087.20x = 525,982,630.80 × 146,329,800.80
  4. Step 4: Simplify right side
    350,655,087.20x = 76,966,933,589,223,952
  5. Step 5: Solve for x
    x = 76,966,933,589,223,952/350,655,087.20
  6. Step 6: Final answer
    x = 219,494,701.20

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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.