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Finding the Fourth Proportional to 441,649.80, 609,479.64 and 250,666.38

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Solution

The fourth proportional to 441,649.80, 609,479.64 and 250,666.38 is: 345,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,649.80 : 609,479.64 = 250,666.38 : x
  2. Step 2: Convert to fraction form
    441,649.80/609,479.64 = 250,666.38/x
  3. Step 3: Cross multiply
    441,649.80x = 609,479.64 × 250,666.38
  4. Step 4: Simplify right side
    441,649.80x = 152,776,055,042.50
  5. Step 5: Solve for x
    x = 152,776,055,042.50/441,649.80
  6. Step 6: Final answer
    x = 345,921.26

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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.