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Finding the Fourth Proportional to 354,266.28, 531,526.14 and 151,777.32

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Solution

The fourth proportional to 354,266.28, 531,526.14 and 151,777.32 is: 227,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,266.28 : 531,526.14 = 151,777.32 : x
  2. Step 2: Convert to fraction form
    354,266.28/531,526.14 = 151,777.32/x
  3. Step 3: Cross multiply
    354,266.28x = 531,526.14 × 151,777.32
  4. Step 4: Simplify right side
    354,266.28x = 80,673,613,039.14
  5. Step 5: Solve for x
    x = 80,673,613,039.14/354,266.28
  6. Step 6: Final answer
    x = 227,720.27

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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.