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Finding the Fourth Proportional to 404,649.04, 558,412.97 and 220,886.87

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Solution

The fourth proportional to 404,649.04, 558,412.97 and 220,886.87 is: 304,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,649.04 : 558,412.97 = 220,886.87 : x
  2. Step 2: Convert to fraction form
    404,649.04/558,412.97 = 220,886.87/x
  3. Step 3: Cross multiply
    404,649.04x = 558,412.97 × 220,886.87
  4. Step 4: Simplify right side
    404,649.04x = 123,346,093,597.77
  5. Step 5: Solve for x
    x = 123,346,093,597.77/404,649.04
  6. Step 6: Final answer
    x = 304,822.41

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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.