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Finding the Fourth Proportional to 673,463.41, 929,377.61 and 371,655.25

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Solution

The fourth proportional to 673,463.41, 929,377.61 and 371,655.25 is: 512,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,463.41 : 929,377.61 = 371,655.25 : x
  2. Step 2: Convert to fraction form
    673,463.41/929,377.61 = 371,655.25/x
  3. Step 3: Cross multiply
    673,463.41x = 929,377.61 × 371,655.25
  4. Step 4: Simplify right side
    673,463.41x = 345,408,066,130.68
  5. Step 5: Solve for x
    x = 345,408,066,130.68/673,463.41
  6. Step 6: Final answer
    x = 512,883.20

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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.