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Finding the Fourth Proportional to 673,068.64, 928,792.56 and 371,261.92

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Solution

The fourth proportional to 673,068.64, 928,792.56 and 371,261.92 is: 512,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,068.64 : 928,792.56 = 371,261.92 : x
  2. Step 2: Convert to fraction form
    673,068.64/928,792.56 = 371,261.92/x
  3. Step 3: Cross multiply
    673,068.64x = 928,792.56 × 371,261.92
  4. Step 4: Simplify right side
    673,068.64x = 344,825,309,107.32
  5. Step 5: Solve for x
    x = 344,825,309,107.32/673,068.64
  6. Step 6: Final answer
    x = 512,318.19

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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.