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Finding the Fourth Proportional to 375,677.82, 518,488.53 and 232,483.98

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Solution

The fourth proportional to 375,677.82, 518,488.53 and 232,483.98 is: 320,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,677.82 : 518,488.53 = 232,483.98 : x
  2. Step 2: Convert to fraction form
    375,677.82/518,488.53 = 232,483.98/x
  3. Step 3: Cross multiply
    375,677.82x = 518,488.53 × 232,483.98
  4. Step 4: Simplify right side
    375,677.82x = 120,540,277,038.75
  5. Step 5: Solve for x
    x = 120,540,277,038.75/375,677.82
  6. Step 6: Final answer
    x = 320,860.78

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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.