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Finding the Fourth Proportional to 340,333.56, 510,461.64 and 91,035

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Solution

The fourth proportional to 340,333.56, 510,461.64 and 91,035 is: 136,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,333.56 : 510,461.64 = 91,035 : x
  2. Step 2: Convert to fraction form
    340,333.56/510,461.64 = 91,035/x
  3. Step 3: Cross multiply
    340,333.56x = 510,461.64 × 91,035
  4. Step 4: Simplify right side
    340,333.56x = 46,469,875,397.40
  5. Step 5: Solve for x
    x = 46,469,875,397.40/340,333.56
  6. Step 6: Final answer
    x = 136,542.15

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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.