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Finding the Fourth Proportional to 437,292.89, 603,257.99 and 255,893.55

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Solution

The fourth proportional to 437,292.89, 603,257.99 and 255,893.55 is: 353,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,292.89 : 603,257.99 = 255,893.55 : x
  2. Step 2: Convert to fraction form
    437,292.89/603,257.99 = 255,893.55/x
  3. Step 3: Cross multiply
    437,292.89x = 603,257.99 × 255,893.55
  4. Step 4: Simplify right side
    437,292.89x = 154,369,829,609.71
  5. Step 5: Solve for x
    x = 154,369,829,609.71/437,292.89
  6. Step 6: Final answer
    x = 353,012.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.