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Finding the Fourth Proportional to 350,655,207.20, 525,982,810.80 and 146,329,920.80

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Solution

The fourth proportional to 350,655,207.20, 525,982,810.80 and 146,329,920.80 is: 219,494,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,655,207.20 : 525,982,810.80 = 146,329,920.80 : x
  2. Step 2: Convert to fraction form
    350,655,207.20/525,982,810.80 = 146,329,920.80/x
  3. Step 3: Cross multiply
    350,655,207.20x = 525,982,810.80 × 146,329,920.80
  4. Step 4: Simplify right side
    350,655,207.20x = 76,967,023,046,525,392
  5. Step 5: Solve for x
    x = 76,967,023,046,525,392/350,655,207.20
  6. Step 6: Final answer
    x = 219,494,881.20

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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.