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Finding the Fourth Proportional to 404,536.63, 558,470.44 and 295,518.55

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Solution

The fourth proportional to 404,536.63, 558,470.44 and 295,518.55 is: 407,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,536.63 : 558,470.44 = 295,518.55 : x
  2. Step 2: Convert to fraction form
    404,536.63/558,470.44 = 295,518.55/x
  3. Step 3: Cross multiply
    404,536.63x = 558,470.44 × 295,518.55
  4. Step 4: Simplify right side
    404,536.63x = 165,038,374,667.02
  5. Step 5: Solve for x
    x = 165,038,374,667.02/404,536.63
  6. Step 6: Final answer
    x = 407,968.93

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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.