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Finding the Fourth Proportional to 404,641.04, 558,404.66 and 223,353.02

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Solution

The fourth proportional to 404,641.04, 558,404.66 and 223,353.02 is: 308,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,641.04 : 558,404.66 = 223,353.02 : x
  2. Step 2: Convert to fraction form
    404,641.04/558,404.66 = 223,353.02/x
  3. Step 3: Cross multiply
    404,641.04x = 558,404.66 × 223,353.02
  4. Step 4: Simplify right side
    404,641.04x = 124,721,363,284.29
  5. Step 5: Solve for x
    x = 124,721,363,284.29/404,641.04
  6. Step 6: Final answer
    x = 308,227.18

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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.