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Finding the Fourth Proportional to 454,469.40, 626,936.96 and 346,852.67

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Solution

The fourth proportional to 454,469.40, 626,936.96 and 346,852.67 is: 478,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,469.40 : 626,936.96 = 346,852.67 : x
  2. Step 2: Convert to fraction form
    454,469.40/626,936.96 = 346,852.67/x
  3. Step 3: Cross multiply
    454,469.40x = 626,936.96 × 346,852.67
  4. Step 4: Simplify right side
    454,469.40x = 217,454,756,230.13
  5. Step 5: Solve for x
    x = 217,454,756,230.13/454,469.40
  6. Step 6: Final answer
    x = 478,480.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.