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Finding the Fourth Proportional to 349,598,081.10, 488,530,320.90 and 349,598,081.10

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Solution

The fourth proportional to 349,598,081.10, 488,530,320.90 and 349,598,081.10 is: 488,530,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,598,081.10 : 488,530,320.90 = 349,598,081.10 : x
  2. Step 2: Convert to fraction form
    349,598,081.10/488,530,320.90 = 349,598,081.10/x
  3. Step 3: Cross multiply
    349,598,081.10x = 488,530,320.90 × 349,598,081.10
  4. Step 4: Simplify right side
    349,598,081.10x = 170,789,262,745,807,232
  5. Step 5: Solve for x
    x = 170,789,262,745,807,232/349,598,081.10
  6. Step 6: Final answer
    x = 488,530,320.90

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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.