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Finding the Fourth Proportional to 369,616.60, 554,295.30 and 192,064.60

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Solution

The fourth proportional to 369,616.60, 554,295.30 and 192,064.60 is: 288,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,616.60 : 554,295.30 = 192,064.60 : x
  2. Step 2: Convert to fraction form
    369,616.60/554,295.30 = 192,064.60/x
  3. Step 3: Cross multiply
    369,616.60x = 554,295.30 × 192,064.60
  4. Step 4: Simplify right side
    369,616.60x = 106,460,505,076.38
  5. Step 5: Solve for x
    x = 106,460,505,076.38/369,616.60
  6. Step 6: Final answer
    x = 288,029.56

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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.