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Finding the Fourth Proportional to 386,598,287.03, 579,951,894.03 and 124,194,846.16

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Solution

The fourth proportional to 386,598,287.03, 579,951,894.03 and 124,194,846.16 is: 186,309,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,598,287.03 : 579,951,894.03 = 124,194,846.16 : x
  2. Step 2: Convert to fraction form
    386,598,287.03/579,951,894.03 = 124,194,846.16/x
  3. Step 3: Cross multiply
    386,598,287.03x = 579,951,894.03 × 124,194,846.16
  4. Step 4: Simplify right side
    386,598,287.03x = 72,027,036,256,256,360
  5. Step 5: Solve for x
    x = 72,027,036,256,256,360/386,598,287.03
  6. Step 6: Final answer
    x = 186,309,765.65

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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.