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Finding the Fourth Proportional to 500,462.10, 750,734.16 and 145,475.76

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Solution

The fourth proportional to 500,462.10, 750,734.16 and 145,475.76 is: 218,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,462.10 : 750,734.16 = 145,475.76 : x
  2. Step 2: Convert to fraction form
    500,462.10/750,734.16 = 145,475.76/x
  3. Step 3: Cross multiply
    500,462.10x = 750,734.16 × 145,475.76
  4. Step 4: Simplify right side
    500,462.10x = 109,213,622,483.96
  5. Step 5: Solve for x
    x = 109,213,622,483.96/500,462.10
  6. Step 6: Final answer
    x = 218,225.56

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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.