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Finding the Fourth Proportional to 445,299.72, 614,096.82 and 284,258.76

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Solution

The fourth proportional to 445,299.72, 614,096.82 and 284,258.76 is: 392,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,299.72 : 614,096.82 = 284,258.76 : x
  2. Step 2: Convert to fraction form
    445,299.72/614,096.82 = 284,258.76/x
  3. Step 3: Cross multiply
    445,299.72x = 614,096.82 × 284,258.76
  4. Step 4: Simplify right side
    445,299.72x = 174,562,400,573.14
  5. Step 5: Solve for x
    x = 174,562,400,573.14/445,299.72
  6. Step 6: Final answer
    x = 392,011.03

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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.