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Finding the Fourth Proportional to 619,502.62, 929,351.13 and 264,518.50

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Solution

The fourth proportional to 619,502.62, 929,351.13 and 264,518.50 is: 396,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,502.62 : 929,351.13 = 264,518.50 : x
  2. Step 2: Convert to fraction form
    619,502.62/929,351.13 = 264,518.50/x
  3. Step 3: Cross multiply
    619,502.62x = 929,351.13 × 264,518.50
  4. Step 4: Simplify right side
    619,502.62x = 245,830,566,880.91
  5. Step 5: Solve for x
    x = 245,830,566,880.91/619,502.62
  6. Step 6: Final answer
    x = 396,819.25

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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.