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Finding the Fourth Proportional to 394,288.55, 544,117.65 and 224,522.67

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Solution

The fourth proportional to 394,288.55, 544,117.65 and 224,522.67 is: 309,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,288.55 : 544,117.65 = 224,522.67 : x
  2. Step 2: Convert to fraction form
    394,288.55/544,117.65 = 224,522.67/x
  3. Step 3: Cross multiply
    394,288.55x = 544,117.65 × 224,522.67
  4. Step 4: Simplify right side
    394,288.55x = 122,166,747,572.13
  5. Step 5: Solve for x
    x = 122,166,747,572.13/394,288.55
  6. Step 6: Final answer
    x = 309,840.98

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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.