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Finding the Fourth Proportional to 481,492.96, 664,459.76 and 266,632.96

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Solution

The fourth proportional to 481,492.96, 664,459.76 and 266,632.96 is: 367,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,492.96 : 664,459.76 = 266,632.96 : x
  2. Step 2: Convert to fraction form
    481,492.96/664,459.76 = 266,632.96/x
  3. Step 3: Cross multiply
    481,492.96x = 664,459.76 × 266,632.96
  4. Step 4: Simplify right side
    481,492.96x = 177,166,872,609.69
  5. Step 5: Solve for x
    x = 177,166,872,609.69/481,492.96
  6. Step 6: Final answer
    x = 367,953.19

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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.