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Finding the Fourth Proportional to 318,651.58, 477,812.66 and 93,983.35

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Solution

The fourth proportional to 318,651.58, 477,812.66 and 93,983.35 is: 140,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,651.58 : 477,812.66 = 93,983.35 : x
  2. Step 2: Convert to fraction form
    318,651.58/477,812.66 = 93,983.35/x
  3. Step 3: Cross multiply
    318,651.58x = 477,812.66 × 93,983.35
  4. Step 4: Simplify right side
    318,651.58x = 44,906,434,459.21
  5. Step 5: Solve for x
    x = 44,906,434,459.21/318,651.58
  6. Step 6: Final answer
    x = 140,926.45

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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.