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Finding the Fourth Proportional to 603,495.70, 832,829.70 and 331,569.23

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Solution

The fourth proportional to 603,495.70, 832,829.70 and 331,569.23 is: 457,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,495.70 : 832,829.70 = 331,569.23 : x
  2. Step 2: Convert to fraction form
    603,495.70/832,829.70 = 331,569.23/x
  3. Step 3: Cross multiply
    603,495.70x = 832,829.70 × 331,569.23
  4. Step 4: Simplify right side
    603,495.70x = 276,140,704,432.21
  5. Step 5: Solve for x
    x = 276,140,704,432.21/603,495.70
  6. Step 6: Final answer
    x = 457,568.64

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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.