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Finding the Fourth Proportional to 404,703.59, 558,495.47 and 223,415.61

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Solution

The fourth proportional to 404,703.59, 558,495.47 and 223,415.61 is: 308,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,703.59 : 558,495.47 = 223,415.61 : x
  2. Step 2: Convert to fraction form
    404,703.59/558,495.47 = 223,415.61/x
  3. Step 3: Cross multiply
    404,703.59x = 558,495.47 × 223,415.61
  4. Step 4: Simplify right side
    404,703.59x = 124,776,604,995.21
  5. Step 5: Solve for x
    x = 124,776,604,995.21/404,703.59
  6. Step 6: Final answer
    x = 308,316.04

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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.