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Finding the Fourth Proportional to 454,527.90, 681,992.67 and 238,335

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Solution

The fourth proportional to 454,527.90, 681,992.67 and 238,335 is: 357,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,527.90 : 681,992.67 = 238,335 : x
  2. Step 2: Convert to fraction form
    454,527.90/681,992.67 = 238,335/x
  3. Step 3: Cross multiply
    454,527.90x = 681,992.67 × 238,335
  4. Step 4: Simplify right side
    454,527.90x = 162,542,723,004.45
  5. Step 5: Solve for x
    x = 162,542,723,004.45/454,527.90
  6. Step 6: Final answer
    x = 357,607.80

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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.