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Finding the Fourth Proportional to 369,227.20, 553,840.80 and 201,265.60

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Solution

The fourth proportional to 369,227.20, 553,840.80 and 201,265.60 is: 301,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,227.20 : 553,840.80 = 201,265.60 : x
  2. Step 2: Convert to fraction form
    369,227.20/553,840.80 = 201,265.60/x
  3. Step 3: Cross multiply
    369,227.20x = 553,840.80 × 201,265.60
  4. Step 4: Simplify right side
    369,227.20x = 111,469,100,916.48
  5. Step 5: Solve for x
    x = 111,469,100,916.48/369,227.20
  6. Step 6: Final answer
    x = 301,898.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.