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Finding the Fourth Proportional to 340,006.96, 469,194.81 and 187,035.45

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Solution

The fourth proportional to 340,006.96, 469,194.81 and 187,035.45 is: 258,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,006.96 : 469,194.81 = 187,035.45 : x
  2. Step 2: Convert to fraction form
    340,006.96/469,194.81 = 187,035.45/x
  3. Step 3: Cross multiply
    340,006.96x = 469,194.81 × 187,035.45
  4. Step 4: Simplify right side
    340,006.96x = 87,756,062,426.01
  5. Step 5: Solve for x
    x = 87,756,062,426.01/340,006.96
  6. Step 6: Final answer
    x = 258,100.78

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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.