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Finding the Fourth Proportional to 323,714,603.20, 485,571,904.80 and 226,779,764.80

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Solution

The fourth proportional to 323,714,603.20, 485,571,904.80 and 226,779,764.80 is: 340,169,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,714,603.20 : 485,571,904.80 = 226,779,764.80 : x
  2. Step 2: Convert to fraction form
    323,714,603.20/485,571,904.80 = 226,779,764.80/x
  3. Step 3: Cross multiply
    323,714,603.20x = 485,571,904.80 × 226,779,764.80
  4. Step 4: Simplify right side
    323,714,603.20x = 110,117,882,364,032,000
  5. Step 5: Solve for x
    x = 110,117,882,364,032,000/323,714,603.20
  6. Step 6: Final answer
    x = 340,169,647.20

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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.