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Finding the Fourth Proportional to 297,799.50, 411,059.08 and 190,658.10

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Solution

The fourth proportional to 297,799.50, 411,059.08 and 190,658.10 is: 263,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,799.50 : 411,059.08 = 190,658.10 : x
  2. Step 2: Convert to fraction form
    297,799.50/411,059.08 = 190,658.10/x
  3. Step 3: Cross multiply
    297,799.50x = 411,059.08 × 190,658.10
  4. Step 4: Simplify right side
    297,799.50x = 78,371,740,648.61
  5. Step 5: Solve for x
    x = 78,371,740,648.61/297,799.50
  6. Step 6: Final answer
    x = 263,169.49

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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.