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Finding the Fourth Proportional to 404,796.80, 606,028.80 and 362,806.40

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Solution

The fourth proportional to 404,796.80, 606,028.80 and 362,806.40 is: 543,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,796.80 : 606,028.80 = 362,806.40 : x
  2. Step 2: Convert to fraction form
    404,796.80/606,028.80 = 362,806.40/x
  3. Step 3: Cross multiply
    404,796.80x = 606,028.80 × 362,806.40
  4. Step 4: Simplify right side
    404,796.80x = 219,871,127,224.32
  5. Step 5: Solve for x
    x = 219,871,127,224.32/404,796.80
  6. Step 6: Final answer
    x = 543,164.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.