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Finding the Fourth Proportional to 348,266.20, 480,469.14 and 227,368.84

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Solution

The fourth proportional to 348,266.20, 480,469.14 and 227,368.84 is: 313,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,266.20 : 480,469.14 = 227,368.84 : x
  2. Step 2: Convert to fraction form
    348,266.20/480,469.14 = 227,368.84/x
  3. Step 3: Cross multiply
    348,266.20x = 480,469.14 × 227,368.84
  4. Step 4: Simplify right side
    348,266.20x = 109,243,711,017.60
  5. Step 5: Solve for x
    x = 109,243,711,017.60/348,266.20
  6. Step 6: Final answer
    x = 313,678.76

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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.