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Finding the Fourth Proportional to 299,572,040.40, 449,358,060.60 and 184,182,421.20

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Solution

The fourth proportional to 299,572,040.40, 449,358,060.60 and 184,182,421.20 is: 276,273,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,572,040.40 : 449,358,060.60 = 184,182,421.20 : x
  2. Step 2: Convert to fraction form
    299,572,040.40/449,358,060.60 = 184,182,421.20/x
  3. Step 3: Cross multiply
    299,572,040.40x = 449,358,060.60 × 184,182,421.20
  4. Step 4: Simplify right side
    299,572,040.40x = 82,763,855,587,044,320
  5. Step 5: Solve for x
    x = 82,763,855,587,044,320/299,572,040.40
  6. Step 6: Final answer
    x = 276,273,631.80

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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.