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Finding the Fourth Proportional to 532,757.21, 735,231.20 and 303,319.04

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Solution

The fourth proportional to 532,757.21, 735,231.20 and 303,319.04 is: 418,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,757.21 : 735,231.20 = 303,319.04 : x
  2. Step 2: Convert to fraction form
    532,757.21/735,231.20 = 303,319.04/x
  3. Step 3: Cross multiply
    532,757.21x = 735,231.20 × 303,319.04
  4. Step 4: Simplify right side
    532,757.21x = 223,009,618,637.14
  5. Step 5: Solve for x
    x = 223,009,618,637.14/532,757.21
  6. Step 6: Final answer
    x = 418,595.22

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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.