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Finding the Fourth Proportional to 531,195.39, 733,023.54 and 289,477.22

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Solution

The fourth proportional to 531,195.39, 733,023.54 and 289,477.22 is: 399,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,195.39 : 733,023.54 = 289,477.22 : x
  2. Step 2: Convert to fraction form
    531,195.39/733,023.54 = 289,477.22/x
  3. Step 3: Cross multiply
    531,195.39x = 733,023.54 × 289,477.22
  4. Step 4: Simplify right side
    531,195.39x = 212,193,612,888.64
  5. Step 5: Solve for x
    x = 212,193,612,888.64/531,195.39
  6. Step 6: Final answer
    x = 399,464.33

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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.