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Finding the Fourth Proportional to 404,434.96, 558,118.58 and 223,158.16

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Solution

The fourth proportional to 404,434.96, 558,118.58 and 223,158.16 is: 307,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,434.96 : 558,118.58 = 223,158.16 : x
  2. Step 2: Convert to fraction form
    404,434.96/558,118.58 = 223,158.16/x
  3. Step 3: Cross multiply
    404,434.96x = 558,118.58 × 223,158.16
  4. Step 4: Simplify right side
    404,434.96x = 124,548,715,374.61
  5. Step 5: Solve for x
    x = 124,548,715,374.61/404,434.96
  6. Step 6: Final answer
    x = 307,957.34

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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.