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Finding the Fourth Proportional to 488,409.40, 732,614.10 and 264,460.60

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Solution

The fourth proportional to 488,409.40, 732,614.10 and 264,460.60 is: 396,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,409.40 : 732,614.10 = 264,460.60 : x
  2. Step 2: Convert to fraction form
    488,409.40/732,614.10 = 264,460.60/x
  3. Step 3: Cross multiply
    488,409.40x = 732,614.10 × 264,460.60
  4. Step 4: Simplify right side
    488,409.40x = 193,747,564,454.46
  5. Step 5: Solve for x
    x = 193,747,564,454.46/488,409.40
  6. Step 6: Final answer
    x = 396,690.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.