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Finding the Fourth Proportional to 404,929.62, 558,807.36 and 223,637.34

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Solution

The fourth proportional to 404,929.62, 558,807.36 and 223,637.34 is: 308,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,929.62 : 558,807.36 = 223,637.34 : x
  2. Step 2: Convert to fraction form
    404,929.62/558,807.36 = 223,637.34/x
  3. Step 3: Cross multiply
    404,929.62x = 558,807.36 × 223,637.34
  4. Step 4: Simplify right side
    404,929.62x = 124,970,191,562.82
  5. Step 5: Solve for x
    x = 124,970,191,562.82/404,929.62
  6. Step 6: Final answer
    x = 308,622.01

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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.