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Finding the Fourth Proportional to 404,082.66, 606,497.88 and 204,543.18

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Solution

The fourth proportional to 404,082.66, 606,497.88 and 204,543.18 is: 307,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,082.66 : 606,497.88 = 204,543.18 : x
  2. Step 2: Convert to fraction form
    404,082.66/606,497.88 = 204,543.18/x
  3. Step 3: Cross multiply
    404,082.66x = 606,497.88 × 204,543.18
  4. Step 4: Simplify right side
    404,082.66x = 124,055,005,038.46
  5. Step 5: Solve for x
    x = 124,055,005,038.46/404,082.66
  6. Step 6: Final answer
    x = 307,004.03

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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.