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Finding the Fourth Proportional to 441,612.20, 609,221.04 and 260,200.28

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Solution

The fourth proportional to 441,612.20, 609,221.04 and 260,200.28 is: 358,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,612.20 : 609,221.04 = 260,200.28 : x
  2. Step 2: Convert to fraction form
    441,612.20/609,221.04 = 260,200.28/x
  3. Step 3: Cross multiply
    441,612.20x = 609,221.04 × 260,200.28
  4. Step 4: Simplify right side
    441,612.20x = 158,519,485,189.89
  5. Step 5: Solve for x
    x = 158,519,485,189.89/441,612.20
  6. Step 6: Final answer
    x = 358,956.31

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1.5x scale

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.