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Finding the Fourth Proportional to 449,637.17, 673,247.16 and 342,510.81

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Solution

The fourth proportional to 449,637.17, 673,247.16 and 342,510.81 is: 512,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,637.17 : 673,247.16 = 342,510.81 : x
  2. Step 2: Convert to fraction form
    449,637.17/673,247.16 = 342,510.81/x
  3. Step 3: Cross multiply
    449,637.17x = 673,247.16 × 342,510.81
  4. Step 4: Simplify right side
    449,637.17x = 230,594,430,101.80
  5. Step 5: Solve for x
    x = 230,594,430,101.80/449,637.17
  6. Step 6: Final answer
    x = 512,845.57

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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.