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Finding the Fourth Proportional to 458,985.39, 633,369.17 and 265,378.48

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Solution

The fourth proportional to 458,985.39, 633,369.17 and 265,378.48 is: 366,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,985.39 : 633,369.17 = 265,378.48 : x
  2. Step 2: Convert to fraction form
    458,985.39/633,369.17 = 265,378.48/x
  3. Step 3: Cross multiply
    458,985.39x = 633,369.17 × 265,378.48
  4. Step 4: Simplify right side
    458,985.39x = 168,082,546,693.49
  5. Step 5: Solve for x
    x = 168,082,546,693.49/458,985.39
  6. Step 6: Final answer
    x = 366,204.57

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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.