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Finding the Fourth Proportional to 223,485,339.90, 335,228,009.85 and 223,485,339.90

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Solution

The fourth proportional to 223,485,339.90, 335,228,009.85 and 223,485,339.90 is: 335,228,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,485,339.90 : 335,228,009.85 = 223,485,339.90 : x
  2. Step 2: Convert to fraction form
    223,485,339.90/335,228,009.85 = 223,485,339.90/x
  3. Step 3: Cross multiply
    223,485,339.90x = 335,228,009.85 × 223,485,339.90
  4. Step 4: Simplify right side
    223,485,339.90x = 74,918,545,725,327,808
  5. Step 5: Solve for x
    x = 74,918,545,725,327,808/223,485,339.90
  6. Step 6: Final answer
    x = 335,228,009.85

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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.