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Finding the Fourth Proportional to 441,680.10, 661,742.55 and 362,364.90

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Solution

The fourth proportional to 441,680.10, 661,742.55 and 362,364.90 is: 542,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,680.10 : 661,742.55 = 362,364.90 : x
  2. Step 2: Convert to fraction form
    441,680.10/661,742.55 = 362,364.90/x
  3. Step 3: Cross multiply
    441,680.10x = 661,742.55 × 362,364.90
  4. Step 4: Simplify right side
    441,680.10x = 239,792,272,956.50
  5. Step 5: Solve for x
    x = 239,792,272,956.50/441,680.10
  6. Step 6: Final answer
    x = 542,909.39

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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.