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Finding the Fourth Proportional to 340,007.40, 469,195.41 and 187,035.89

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Solution

The fourth proportional to 340,007.40, 469,195.41 and 187,035.89 is: 258,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,007.40 : 469,195.41 = 187,035.89 : x
  2. Step 2: Convert to fraction form
    340,007.40/469,195.41 = 187,035.89/x
  3. Step 3: Cross multiply
    340,007.40x = 469,195.41 × 187,035.89
  4. Step 4: Simplify right side
    340,007.40x = 87,756,380,387.87
  5. Step 5: Solve for x
    x = 87,756,380,387.87/340,007.40
  6. Step 6: Final answer
    x = 258,101.39

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1.5x scale

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.