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Finding the Fourth Proportional to 286,197.60, 394,747.52 and 177,266.72

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Solution

The fourth proportional to 286,197.60, 394,747.52 and 177,266.72 is: 244,501.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,197.60 : 394,747.52 = 177,266.72 : x
  2. Step 2: Convert to fraction form
    286,197.60/394,747.52 = 177,266.72/x
  3. Step 3: Cross multiply
    286,197.60x = 394,747.52 × 177,266.72
  4. Step 4: Simplify right side
    286,197.60x = 69,975,598,098.53
  5. Step 5: Solve for x
    x = 69,975,598,098.53/286,197.60
  6. Step 6: Final answer
    x = 244,501.00

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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.