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Finding the Fourth Proportional to 423,662.75, 584,652.33 and 230,068.79

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Solution

The fourth proportional to 423,662.75, 584,652.33 and 230,068.79 is: 317,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,662.75 : 584,652.33 = 230,068.79 : x
  2. Step 2: Convert to fraction form
    423,662.75/584,652.33 = 230,068.79/x
  3. Step 3: Cross multiply
    423,662.75x = 584,652.33 × 230,068.79
  4. Step 4: Simplify right side
    423,662.75x = 134,510,254,133.78
  5. Step 5: Solve for x
    x = 134,510,254,133.78/423,662.75
  6. Step 6: Final answer
    x = 317,493.70

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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.