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Finding the Fourth Proportional to 702,373.49, 969,277.97 and 380,083.55

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Solution

The fourth proportional to 702,373.49, 969,277.97 and 380,083.55 is: 524,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,373.49 : 969,277.97 = 380,083.55 : x
  2. Step 2: Convert to fraction form
    702,373.49/969,277.97 = 380,083.55/x
  3. Step 3: Cross multiply
    702,373.49x = 969,277.97 × 380,083.55
  4. Step 4: Simplify right side
    702,373.49x = 368,406,605,027.59
  5. Step 5: Solve for x
    x = 368,406,605,027.59/702,373.49
  6. Step 6: Final answer
    x = 524,516.68

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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.