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Finding the Fourth Proportional to 441,609.78, 609,501 and 260,310.96

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Solution

The fourth proportional to 441,609.78, 609,501 and 260,310.96 is: 359,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,609.78 : 609,501 = 260,310.96 : x
  2. Step 2: Convert to fraction form
    441,609.78/609,501 = 260,310.96/x
  3. Step 3: Cross multiply
    441,609.78x = 609,501 × 260,310.96
  4. Step 4: Simplify right side
    441,609.78x = 158,659,790,430.96
  5. Step 5: Solve for x
    x = 158,659,790,430.96/441,609.78
  6. Step 6: Final answer
    x = 359,275.99

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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.