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Finding the Fourth Proportional to 436,209.64, 601,951.76 and 245,218.96

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Solution

The fourth proportional to 436,209.64, 601,951.76 and 245,218.96 is: 338,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,209.64 : 601,951.76 = 245,218.96 : x
  2. Step 2: Convert to fraction form
    436,209.64/601,951.76 = 245,218.96/x
  3. Step 3: Cross multiply
    436,209.64x = 601,951.76 × 245,218.96
  4. Step 4: Simplify right side
    436,209.64x = 147,609,984,557.37
  5. Step 5: Solve for x
    x = 147,609,984,557.37/436,209.64
  6. Step 6: Final answer
    x = 338,392.30

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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.