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Finding the Fourth Proportional to 659,164.14, 909,671.01 and 372,667.14

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Solution

The fourth proportional to 659,164.14, 909,671.01 and 372,667.14 is: 514,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,164.14 : 909,671.01 = 372,667.14 : x
  2. Step 2: Convert to fraction form
    659,164.14/909,671.01 = 372,667.14/x
  3. Step 3: Cross multiply
    659,164.14x = 909,671.01 × 372,667.14
  4. Step 4: Simplify right side
    659,164.14x = 339,004,493,637.61
  5. Step 5: Solve for x
    x = 339,004,493,637.61/659,164.14
  6. Step 6: Final answer
    x = 514,294.50

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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.