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Finding the Fourth Proportional to 339,553.82, 468,592.76 and 186,602.20

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Solution

The fourth proportional to 339,553.82, 468,592.76 and 186,602.20 is: 257,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,553.82 : 468,592.76 = 186,602.20 : x
  2. Step 2: Convert to fraction form
    339,553.82/468,592.76 = 186,602.20/x
  3. Step 3: Cross multiply
    339,553.82x = 468,592.76 × 186,602.20
  4. Step 4: Simplify right side
    339,553.82x = 87,440,439,215.10
  5. Step 5: Solve for x
    x = 87,440,439,215.10/339,553.82
  6. Step 6: Final answer
    x = 257,515.70

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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.