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Finding the Fourth Proportional to 356,194,903.20, 534,292,354.80 and 356,194,903.20

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Solution

The fourth proportional to 356,194,903.20, 534,292,354.80 and 356,194,903.20 is: 534,292,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,194,903.20 : 534,292,354.80 = 356,194,903.20 : x
  2. Step 2: Convert to fraction form
    356,194,903.20/534,292,354.80 = 356,194,903.20/x
  3. Step 3: Cross multiply
    356,194,903.20x = 534,292,354.80 × 356,194,903.20
  4. Step 4: Simplify right side
    356,194,903.20x = 190,312,213,598,486,048
  5. Step 5: Solve for x
    x = 190,312,213,598,486,048/356,194,903.20
  6. Step 6: Final answer
    x = 534,292,354.80

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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.