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Finding the Fourth Proportional to 365,612.02, 548,076.27 and 128,822.26

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Solution

The fourth proportional to 365,612.02, 548,076.27 and 128,822.26 is: 193,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,612.02 : 548,076.27 = 128,822.26 : x
  2. Step 2: Convert to fraction form
    365,612.02/548,076.27 = 128,822.26/x
  3. Step 3: Cross multiply
    365,612.02x = 548,076.27 × 128,822.26
  4. Step 4: Simplify right side
    365,612.02x = 70,604,423,753.77
  5. Step 5: Solve for x
    x = 70,604,423,753.77/365,612.02
  6. Step 6: Final answer
    x = 193,112.97

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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.