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Finding the Fourth Proportional to 423,158.58, 583,958.82 and 241,874.40

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Solution

The fourth proportional to 423,158.58, 583,958.82 and 241,874.40 is: 333,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,158.58 : 583,958.82 = 241,874.40 : x
  2. Step 2: Convert to fraction form
    423,158.58/583,958.82 = 241,874.40/x
  3. Step 3: Cross multiply
    423,158.58x = 583,958.82 × 241,874.40
  4. Step 4: Simplify right side
    423,158.58x = 141,244,689,212.21
  5. Step 5: Solve for x
    x = 141,244,689,212.21/423,158.58
  6. Step 6: Final answer
    x = 333,786.66

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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.