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Finding the Fourth Proportional to 353,799,534.80, 530,699,302.20 and 323,188,533.20

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Solution

The fourth proportional to 353,799,534.80, 530,699,302.20 and 323,188,533.20 is: 484,782,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,799,534.80 : 530,699,302.20 = 323,188,533.20 : x
  2. Step 2: Convert to fraction form
    353,799,534.80/530,699,302.20 = 323,188,533.20/x
  3. Step 3: Cross multiply
    353,799,534.80x = 530,699,302.20 × 323,188,533.20
  4. Step 4: Simplify right side
    353,799,534.80x = 171,515,929,048,281,536
  5. Step 5: Solve for x
    x = 171,515,929,048,281,536/353,799,534.80
  6. Step 6: Final answer
    x = 484,782,799.80

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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.