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Finding the Fourth Proportional to 355,716.92, 533,576.06 and 89,475.64

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Solution

The fourth proportional to 355,716.92, 533,576.06 and 89,475.64 is: 134,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,716.92 : 533,576.06 = 89,475.64 : x
  2. Step 2: Convert to fraction form
    355,716.92/533,576.06 = 89,475.64/x
  3. Step 3: Cross multiply
    355,716.92x = 533,576.06 × 89,475.64
  4. Step 4: Simplify right side
    355,716.92x = 47,742,058,011.39
  5. Step 5: Solve for x
    x = 47,742,058,011.39/355,716.92
  6. Step 6: Final answer
    x = 134,213.63

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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.