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Finding the Fourth Proportional to 496,506.28, 744,167.58 and 345,931.24

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Solution

The fourth proportional to 496,506.28, 744,167.58 and 345,931.24 is: 518,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,506.28 : 744,167.58 = 345,931.24 : x
  2. Step 2: Convert to fraction form
    496,506.28/744,167.58 = 345,931.24/x
  3. Step 3: Cross multiply
    496,506.28x = 744,167.58 × 345,931.24
  4. Step 4: Simplify right side
    496,506.28x = 257,430,813,717.20
  5. Step 5: Solve for x
    x = 257,430,813,717.20/496,506.28
  6. Step 6: Final answer
    x = 518,484.51

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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.