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Finding the Fourth Proportional to 340,386.96, 510,580.48 and 91,062.48

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Solution

The fourth proportional to 340,386.96, 510,580.48 and 91,062.48 is: 136,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,386.96 : 510,580.48 = 91,062.48 : x
  2. Step 2: Convert to fraction form
    340,386.96/510,580.48 = 91,062.48/x
  3. Step 3: Cross multiply
    340,386.96x = 510,580.48 × 91,062.48
  4. Step 4: Simplify right side
    340,386.96x = 46,494,724,748.39
  5. Step 5: Solve for x
    x = 46,494,724,748.39/340,386.96
  6. Step 6: Final answer
    x = 136,593.73

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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.