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Finding the Fourth Proportional to 369,076.90, 552,631.20 and 369,076.90

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Solution

The fourth proportional to 369,076.90, 552,631.20 and 369,076.90 is: 552,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.90 : 552,631.20 = 369,076.90 : x
  2. Step 2: Convert to fraction form
    369,076.90/552,631.20 = 369,076.90/x
  3. Step 3: Cross multiply
    369,076.90x = 552,631.20 × 369,076.90
  4. Step 4: Simplify right side
    369,076.90x = 203,963,410,139.28
  5. Step 5: Solve for x
    x = 203,963,410,139.28/369,076.90
  6. Step 6: Final answer
    x = 552,631.20

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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.