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Finding the Fourth Proportional to 311,046.30, 466,569.45 and 248,838.30

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Solution

The fourth proportional to 311,046.30, 466,569.45 and 248,838.30 is: 373,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,046.30 : 466,569.45 = 248,838.30 : x
  2. Step 2: Convert to fraction form
    311,046.30/466,569.45 = 248,838.30/x
  3. Step 3: Cross multiply
    311,046.30x = 466,569.45 × 248,838.30
  4. Step 4: Simplify right side
    311,046.30x = 116,100,348,769.94
  5. Step 5: Solve for x
    x = 116,100,348,769.94/311,046.30
  6. Step 6: Final answer
    x = 373,257.45

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1.5x scale

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.