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Finding the Fourth Proportional to 673,920.75, 929,252.46 and 551,029.71

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Solution

The fourth proportional to 673,920.75, 929,252.46 and 551,029.71 is: 759,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,920.75 : 929,252.46 = 551,029.71 : x
  2. Step 2: Convert to fraction form
    673,920.75/929,252.46 = 551,029.71/x
  3. Step 3: Cross multiply
    673,920.75x = 929,252.46 × 551,029.71
  4. Step 4: Simplify right side
    673,920.75x = 512,045,713,550.59
  5. Step 5: Solve for x
    x = 512,045,713,550.59/673,920.75
  6. Step 6: Final answer
    x = 759,801.08

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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.