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Finding the Fourth Proportional to 364,126,051.20, 546,189,076.80 and 364,126,051.20

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Solution

The fourth proportional to 364,126,051.20, 546,189,076.80 and 364,126,051.20 is: 546,189,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,126,051.20 : 546,189,076.80 = 364,126,051.20 : x
  2. Step 2: Convert to fraction form
    364,126,051.20/546,189,076.80 = 364,126,051.20/x
  3. Step 3: Cross multiply
    364,126,051.20x = 546,189,076.80 × 364,126,051.20
  4. Step 4: Simplify right side
    364,126,051.20x = 198,881,671,743,757,504
  5. Step 5: Solve for x
    x = 198,881,671,743,757,504/364,126,051.20
  6. Step 6: Final answer
    x = 546,189,076.80

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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.