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Finding the Fourth Proportional to 489,667.98, 732,975.57 and 377,055.66

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Solution

The fourth proportional to 489,667.98, 732,975.57 and 377,055.66 is: 564,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,667.98 : 732,975.57 = 377,055.66 : x
  2. Step 2: Convert to fraction form
    489,667.98/732,975.57 = 377,055.66/x
  3. Step 3: Cross multiply
    489,667.98x = 732,975.57 × 377,055.66
  4. Step 4: Simplify right side
    489,667.98x = 276,372,587,310.23
  5. Step 5: Solve for x
    x = 276,372,587,310.23/489,667.98
  6. Step 6: Final answer
    x = 564,408.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.