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Finding the Fourth Proportional to 375,690.94, 518,506.66 and 232,497.10

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Solution

The fourth proportional to 375,690.94, 518,506.66 and 232,497.10 is: 320,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,690.94 : 518,506.66 = 232,497.10 : x
  2. Step 2: Convert to fraction form
    375,690.94/518,506.66 = 232,497.10/x
  3. Step 3: Cross multiply
    375,690.94x = 518,506.66 × 232,497.10
  4. Step 4: Simplify right side
    375,690.94x = 120,551,294,780.69
  5. Step 5: Solve for x
    x = 120,551,294,780.69/375,690.94
  6. Step 6: Final answer
    x = 320,878.90

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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.