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Finding the Fourth Proportional to 577,538.33, 866,455.11 and 222,457.01

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Solution

The fourth proportional to 577,538.33, 866,455.11 and 222,457.01 is: 333,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,538.33 : 866,455.11 = 222,457.01 : x
  2. Step 2: Convert to fraction form
    577,538.33/866,455.11 = 222,457.01/x
  3. Step 3: Cross multiply
    577,538.33x = 866,455.11 × 222,457.01
  4. Step 4: Simplify right side
    577,538.33x = 192,749,008,737.55
  5. Step 5: Solve for x
    x = 192,749,008,737.55/577,538.33
  6. Step 6: Final answer
    x = 333,742.37

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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.