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Finding the Fourth Proportional to 313,466.43, 466,896.57 and 306,905.43

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Solution

The fourth proportional to 313,466.43, 466,896.57 and 306,905.43 is: 457,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,466.43 : 466,896.57 = 306,905.43 : x
  2. Step 2: Convert to fraction form
    313,466.43/466,896.57 = 306,905.43/x
  3. Step 3: Cross multiply
    313,466.43x = 466,896.57 × 306,905.43
  4. Step 4: Simplify right side
    313,466.43x = 143,293,092,581.38
  5. Step 5: Solve for x
    x = 143,293,092,581.38/313,466.43
  6. Step 6: Final answer
    x = 457,124.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.