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Finding the Fourth Proportional to 369,384.34, 554,076.60 and 88,901.56

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Solution

The fourth proportional to 369,384.34, 554,076.60 and 88,901.56 is: 133,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,384.34 : 554,076.60 = 88,901.56 : x
  2. Step 2: Convert to fraction form
    369,384.34/554,076.60 = 88,901.56/x
  3. Step 3: Cross multiply
    369,384.34x = 554,076.60 × 88,901.56
  4. Step 4: Simplify right side
    369,384.34x = 49,258,274,099.50
  5. Step 5: Solve for x
    x = 49,258,274,099.50/369,384.34
  6. Step 6: Final answer
    x = 133,352.36

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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.