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Finding the Fourth Proportional to 313,673.54, 470,520.53 and 149,320.27

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Solution

The fourth proportional to 313,673.54, 470,520.53 and 149,320.27 is: 223,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,673.54 : 470,520.53 = 149,320.27 : x
  2. Step 2: Convert to fraction form
    313,673.54/470,520.53 = 149,320.27/x
  3. Step 3: Cross multiply
    313,673.54x = 470,520.53 × 149,320.27
  4. Step 4: Simplify right side
    313,673.54x = 70,258,251,777.14
  5. Step 5: Solve for x
    x = 70,258,251,777.14/313,673.54
  6. Step 6: Final answer
    x = 223,985.27

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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.