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Finding the Fourth Proportional to 482,814.40, 724,999.20 and 364,619.20

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Solution

The fourth proportional to 482,814.40, 724,999.20 and 364,619.20 is: 547,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,814.40 : 724,999.20 = 364,619.20 : x
  2. Step 2: Convert to fraction form
    482,814.40/724,999.20 = 364,619.20/x
  3. Step 3: Cross multiply
    482,814.40x = 724,999.20 × 364,619.20
  4. Step 4: Simplify right side
    482,814.40x = 264,348,628,304.64
  5. Step 5: Solve for x
    x = 264,348,628,304.64/482,814.40
  6. Step 6: Final answer
    x = 547,516.04

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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.