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Finding the Fourth Proportional to 464,170.87, 695,074.65 and 305,919.55

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Solution

The fourth proportional to 464,170.87, 695,074.65 and 305,919.55 is: 458,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,170.87 : 695,074.65 = 305,919.55 : x
  2. Step 2: Convert to fraction form
    464,170.87/695,074.65 = 305,919.55/x
  3. Step 3: Cross multiply
    464,170.87x = 695,074.65 × 305,919.55
  4. Step 4: Simplify right side
    464,170.87x = 212,636,924,144.41
  5. Step 5: Solve for x
    x = 212,636,924,144.41/464,170.87
  6. Step 6: Final answer
    x = 458,100.54

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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.