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Finding the Fourth Proportional to 481,189.68, 663,587.46 and 358,952.04

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Solution

The fourth proportional to 481,189.68, 663,587.46 and 358,952.04 is: 495,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,189.68 : 663,587.46 = 358,952.04 : x
  2. Step 2: Convert to fraction form
    481,189.68/663,587.46 = 358,952.04/x
  3. Step 3: Cross multiply
    481,189.68x = 663,587.46 × 358,952.04
  4. Step 4: Simplify right side
    481,189.68x = 238,196,072,485.42
  5. Step 5: Solve for x
    x = 238,196,072,485.42/481,189.68
  6. Step 6: Final answer
    x = 495,014.92

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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.