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Finding the Fourth Proportional to 565,667.73, 780,637.70 and 344,917.95

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Solution

The fourth proportional to 565,667.73, 780,637.70 and 344,917.95 is: 475,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,667.73 : 780,637.70 = 344,917.95 : x
  2. Step 2: Convert to fraction form
    565,667.73/780,637.70 = 344,917.95/x
  3. Step 3: Cross multiply
    565,667.73x = 780,637.70 × 344,917.95
  4. Step 4: Simplify right side
    565,667.73x = 269,255,953,452.13
  5. Step 5: Solve for x
    x = 269,255,953,452.13/565,667.73
  6. Step 6: Final answer
    x = 475,996.67

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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.