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Finding the Fourth Proportional to 318,133.20, 477,203.10 and 93,497.64

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Solution

The fourth proportional to 318,133.20, 477,203.10 and 93,497.64 is: 140,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,133.20 : 477,203.10 = 93,497.64 : x
  2. Step 2: Convert to fraction form
    318,133.20/477,203.10 = 93,497.64/x
  3. Step 3: Cross multiply
    318,133.20x = 477,203.10 × 93,497.64
  4. Step 4: Simplify right side
    318,133.20x = 44,617,363,650.68
  5. Step 5: Solve for x
    x = 44,617,363,650.68/318,133.20
  6. Step 6: Final answer
    x = 140,247.43

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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.