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Finding the Fourth Proportional to 274,509.55, 411,764.33 and 264,011.95

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Solution

The fourth proportional to 274,509.55, 411,764.33 and 264,011.95 is: 396,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,509.55 : 411,764.33 = 264,011.95 : x
  2. Step 2: Convert to fraction form
    274,509.55/411,764.33 = 264,011.95/x
  3. Step 3: Cross multiply
    274,509.55x = 411,764.33 × 264,011.95
  4. Step 4: Simplify right side
    274,509.55x = 108,710,702,383.68
  5. Step 5: Solve for x
    x = 108,710,702,383.68/274,509.55
  6. Step 6: Final answer
    x = 396,017.93

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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.