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Finding the Fourth Proportional to 404,605.68, 558,618.84 and 362,091.12

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Solution

The fourth proportional to 404,605.68, 558,618.84 and 362,091.12 is: 499,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,605.68 : 558,618.84 = 362,091.12 : x
  2. Step 2: Convert to fraction form
    404,605.68/558,618.84 = 362,091.12/x
  3. Step 3: Cross multiply
    404,605.68x = 558,618.84 × 362,091.12
  4. Step 4: Simplify right side
    404,605.68x = 202,270,921,428.70
  5. Step 5: Solve for x
    x = 202,270,921,428.70/404,605.68
  6. Step 6: Final answer
    x = 499,921.11

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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.