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Finding the Fourth Proportional to 532,402.24, 734,779.50 and 303,015.30

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Solution

The fourth proportional to 532,402.24, 734,779.50 and 303,015.30 is: 418,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,402.24 : 734,779.50 = 303,015.30 : x
  2. Step 2: Convert to fraction form
    532,402.24/734,779.50 = 303,015.30/x
  3. Step 3: Cross multiply
    532,402.24x = 734,779.50 × 303,015.30
  4. Step 4: Simplify right side
    532,402.24x = 222,649,430,626.35
  5. Step 5: Solve for x
    x = 222,649,430,626.35/532,402.24
  6. Step 6: Final answer
    x = 418,197.77

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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.