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Finding the Fourth Proportional to 297,140.40, 409,843.80 and 183,999.60

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Solution

The fourth proportional to 297,140.40, 409,843.80 and 183,999.60 is: 253,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,140.40 : 409,843.80 = 183,999.60 : x
  2. Step 2: Convert to fraction form
    297,140.40/409,843.80 = 183,999.60/x
  3. Step 3: Cross multiply
    297,140.40x = 409,843.80 × 183,999.60
  4. Step 4: Simplify right side
    297,140.40x = 75,411,095,262.48
  5. Step 5: Solve for x
    x = 75,411,095,262.48/297,140.40
  6. Step 6: Final answer
    x = 253,789.44

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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.