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Finding the Fourth Proportional to 404,678.04, 558,369.06 and 234,821.04

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Solution

The fourth proportional to 404,678.04, 558,369.06 and 234,821.04 is: 324,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,678.04 : 558,369.06 = 234,821.04 : x
  2. Step 2: Convert to fraction form
    404,678.04/558,369.06 = 234,821.04/x
  3. Step 3: Cross multiply
    404,678.04x = 558,369.06 × 234,821.04
  4. Step 4: Simplify right side
    404,678.04x = 131,116,803,373.02
  5. Step 5: Solve for x
    x = 131,116,803,373.02/404,678.04
  6. Step 6: Final answer
    x = 324,002.76

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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.