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Finding the Fourth Proportional to 656,469.40, 984,689.70 and 183,141.40

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Solution

The fourth proportional to 656,469.40, 984,689.70 and 183,141.40 is: 274,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,469.40 : 984,689.70 = 183,141.40 : x
  2. Step 2: Convert to fraction form
    656,469.40/984,689.70 = 183,141.40/x
  3. Step 3: Cross multiply
    656,469.40x = 984,689.70 × 183,141.40
  4. Step 4: Simplify right side
    656,469.40x = 180,337,450,223.58
  5. Step 5: Solve for x
    x = 180,337,450,223.58/656,469.40
  6. Step 6: Final answer
    x = 274,708.08

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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.