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Finding the Fourth Proportional to 443,866.32, 612,536.04 and 242,662.32

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Solution

The fourth proportional to 443,866.32, 612,536.04 and 242,662.32 is: 334,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,866.32 : 612,536.04 = 242,662.32 : x
  2. Step 2: Convert to fraction form
    443,866.32/612,536.04 = 242,662.32/x
  3. Step 3: Cross multiply
    443,866.32x = 612,536.04 × 242,662.32
  4. Step 4: Simplify right side
    443,866.32x = 148,639,416,550.01
  5. Step 5: Solve for x
    x = 148,639,416,550.01/443,866.32
  6. Step 6: Final answer
    x = 334,874.29

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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.