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Finding the Fourth Proportional to 423,665.04, 635,760.16 and 246,255.60

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Solution

The fourth proportional to 423,665.04, 635,760.16 and 246,255.60 is: 369,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,665.04 : 635,760.16 = 246,255.60 : x
  2. Step 2: Convert to fraction form
    423,665.04/635,760.16 = 246,255.60/x
  3. Step 3: Cross multiply
    423,665.04x = 635,760.16 × 246,255.60
  4. Step 4: Simplify right side
    423,665.04x = 156,559,499,656.90
  5. Step 5: Solve for x
    x = 156,559,499,656.90/423,665.04
  6. Step 6: Final answer
    x = 369,536.04

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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.