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Finding the Fourth Proportional to 367,565,191.20, 514,973,905.20 and 367,565,191.20

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Solution

The fourth proportional to 367,565,191.20, 514,973,905.20 and 367,565,191.20 is: 514,973,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,565,191.20 : 514,973,905.20 = 367,565,191.20 : x
  2. Step 2: Convert to fraction form
    367,565,191.20/514,973,905.20 = 367,565,191.20/x
  3. Step 3: Cross multiply
    367,565,191.20x = 514,973,905.20 × 367,565,191.20
  4. Step 4: Simplify right side
    367,565,191.20x = 189,286,481,927,848,672
  5. Step 5: Solve for x
    x = 189,286,481,927,848,672/367,565,191.20
  6. Step 6: Final answer
    x = 514,973,905.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.