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Finding the Fourth Proportional to 656,342.70, 984,680.10 and 183,028.11

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Solution

The fourth proportional to 656,342.70, 984,680.10 and 183,028.11 is: 274,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,342.70 : 984,680.10 = 183,028.11 : x
  2. Step 2: Convert to fraction form
    656,342.70/984,680.10 = 183,028.11/x
  3. Step 3: Cross multiply
    656,342.70x = 984,680.10 × 183,028.11
  4. Step 4: Simplify right side
    656,342.70x = 180,224,137,657.61
  5. Step 5: Solve for x
    x = 180,224,137,657.61/656,342.70
  6. Step 6: Final answer
    x = 274,588.47

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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.